Top IT Startups in Japan (2025 Update)
Explore the best IT companies in Japan. Discover high-growth startups and investment opportunities in our 2025 updated list.
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Explore Top IT Startups in Japan featuring 130 Companies
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RT Corporation | - | AI | Robotics | System Integration & Solutions | Education | Research & Developm... | Founded in 2005 and located in Akihabara, RT Corporation designs, develops, and... | - |
Japan
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- | Japan (HQ) | 2005 | Design, IT +1 | [email protected] |
1
Low
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26
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89 (-100%) | 2 years ago | Series C | 3 | 520.0M | 241 | 4 months ago | |
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-logo.jpg "株式会社マツリカ(Mazrica Inc.)"){kind=logo}
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株式会社マツリカ(Mazrica... | - | 株式会社マツリカは「創造性高く遊ぶように働ける環境を創る」のVisionのもと、テクノ... | 私たちは「創造性高く遊ぶように働ける環境を創る」というミッションを掲げ、テクノロ... | - |
Japan
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- | Japan (HQ) | 2015 | Automation, IT +2 | [email protected] |
1
Low
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61
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353.9K (-14%) | 4 years ago | Series Unknown | 4 | 380.8M | 212 | 8 dWh Sng | |
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KOALA Tech Inc. | - | 有機半導体レーザーダイオード(OSLD)のレーザー技術の実用化を目指して設立された九州... | Koala Tech Inc. is an innovative high-tech startup company, whose goal is to pio... | - |
Japan
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- | Japan (HQ) | 2019 | Data Analytics, IT | - |
1
Low
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8
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1.3K | 1 year ago | Series B | 4 | 1.0B | 114 | 9 months ago | |
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Spir, inc. | - | Unleash your creativity |
To unleash workplace creativity. Traditionally, when we discuss “Work”, usually... |
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Japan
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- | Japan (HQ) | 2019 | IT, Internet | [email protected] |
1
Low
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10
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196.1K (-6%) | 4 years ago | Undisclosed | 1 | 200.0M | 99576 | 8 Mof H7B | |
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Epigno Corporation | - | 医療・介護機関特化型人材管理システムを開発、提供しているヘルスケアテックスタート... | 医療・介護業界特化型人材マネジメントシステムを提供しているヘルスケアテックスター... | - |
Japan
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- | Japan (HQ) | 2016 | Health Care, IT | [email protected] |
1
Low
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6
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28.9K (22%) | 3 years ago | Corporate Round | 3 | 365.0M | 2 | 9 SsW IHn | |
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Alphaus Inc. | - | Cloud cost management made simple. | Alphaus is an AWS Advanced Technology Partner and a VC-backed tech startup helpi... | - |
Japan
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- | Japan (HQ) + 1 | 2015 | Cloud Infrastructure, Computing +2 | [email protected] |
1
Low
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44
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11.3K (2%) | 6 years ago | Series B | 4 | 5.2M | 892 | 5 months ago | |
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JOLLY GOOD | - | Official account of Jolly Good Inc. Media services using cutting-edge technolog... | Tokyo, Japan | - |
Japan
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- | Japan (HQ) | 2014 | IT, Internet | - |
1
Low
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15
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7.5K (42%) | 4 years ago | Series C | 5 | 2.4B | 218 | 5 months ago | |
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YESOD Inc. | - | 「企業の人・組織・情報にまつわる非効率をなくす」をミッションにID統合管理プラット... |
【企業の人・組織・情報にまつわる非効率をなくす】 日本におけるIGAサービス（アイ... |
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Japan
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- | Japan (HQ) | 2018 | Cloud Infrastructure, IT | - |
1
Low
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8
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2.0K (25%) | 1 year ago | Series A | 2 | 800.0M | 37 | 3 VSl Bjr | |
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株式会社KOU | - | メンバーとの相互理解を深める1on1支援サービス「emochan」を提供しています。 | 働くに“遊び”をつくる職場のおもちゃメーカーとして、世の中の会社をより『幸せな場』... | - |
Japan
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- | Japan (HQ) | 2018 | IT | [email protected] |
1
Low
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3
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584 (-100%) | 1 year ago | Seed | 2 | 50.0M | 2 | 2 5If LOL | |
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Srush | - | リアルな受注確度が見える。 最適なアクションが分かる。 だから売上が上がる。 | データ分析をもっと簡単に思い通りにする分析SaaS「Sales Rush Board」の開発、販売し... | - |
Japan
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- | Japan (HQ) | 2019 | IT, CRM and Sales | - |
1
Low
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7
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25.8K (78%) | 1 year ago | Series A | 2 | 480.0M | 13 | 4 2WU CiC | |
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Latona, Inc. | - | She who thinks and mulls best today, will laugh last. | Latona is a Professional Service company, working on three services utilizing ne... | - |
Japan
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- | Japan (HQ) | 2018 | AI, IT +3 | [email protected] |
1
Low
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4
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5.8K (-8%) | 3 years ago | Series A | 6 | 692.0M | 542 | 1 year ago | |
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Baseconnect | - | 「世界中のデータを繋げることで、ダイレクトに必要な情報にアクセスできる世界を作る... | 〒604-8032 京都府京都市中京区山崎町235 4F | - |
Japan
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- | Japan (HQ) | 2017 | Analytics, Content Creators +3 | [email protected] |
1
Low
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28
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23.0K (1%) | 2 years ago | Series B | 6 | 62.2M | 130 | 4 oa3 ASm | |
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Ookuma Diamond Device | - | We are a start-up company aiming to commercialize diamond semiconductor devices. | We are a start-up company aiming to commercialize diamond semiconductor devices. | - |
Japan
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- | Japan (HQ) | 2022 | IT, Semiconductor +1 | - |
1
Low
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6
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6.9K (527%) | 1 year ago | Debt Financing | 2 | 2.1B | 12 | 7 months ago | |
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Rutilea, Inc. | - | Unleashing AI for All: Zero Code, Zero Hassle. | At RUTILEA, we provide a comprehensive AI development platform and GPU cloud ser... | - |
Japan
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- | Japan (HQ) | 2018 | Hardware, IT +1 | - |
1
Low
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34
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6.1K (13%) | 1 year ago | Series C | 3 | 300.0M | 2175 | 8 7Zw h4T | |
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i Cubed Systems | - | Enjoy the challenge. | We are a Fukuoka-based IT company providing solutions using cloud and mobile tec... | - |
Japan
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- | Japan (HQ) | 2001 | Cyber Security, Enterprise +4 | - |
1
Low
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39
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15.7K (-14%) | 6 years ago | Series Unknown | 3 | 800.0M | 353 | 5 months ago | |
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Authlete | - | OAuth/OIDC Component as a Service | Authlete provides a set of APIs to build OAuth 2.0 and OpenID Connect (OIDC) ser... | - |
Japan
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- | Japan (HQ) | 2015 | Analytics, Cloud Infrastructure +3 | [email protected] |
1
Low
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29
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31.0K (-19%) | 2 years ago | Series A | 4 | 946.2M | 1234 | 5 months ago | |
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SCSK Corporation | - | Create Our Future Of Dream | Providing I T Services That Anticipate Client Needs and Become Optimal Solutions... | - |
Japan
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- | Japan (HQ) | 1969 | IT, IT Infrastructure +1 | - |
1
Low
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719
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405.8K (-6%) | 2 years ago | Post Ipo Equity | 2 | 49.3K | 97 | 7 GtQ sRI | |
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Ubitus K.K. | - | Specializes in cloud solutions, GPU virtualization technology & cloud streaming... | Ubitus is a young and vibrant company. In addition to the top technology, we als... | - |
Japan
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- | Japan (HQ) + 1 | 2012 | IT, Web3 | [email protected] |
1
Low
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136
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6.6K (-25%) | 1 year ago | Corporate Round | 5 | 17.0M | 930 | 5 months ago | |
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Cerevo Inc. | - | Redefining consumer electronics with innovation from Tokyo. | Cerevoは、エレクトロニクス製品の設計開発と製造販売を行っている工場を持たないファ... | - |
Japan
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- | Japan (HQ) | 2008 | Hardware, IT +2 | [email protected] |
1
Low
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20
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66.3K (-19%) | 14 years ago | Series B | 2 | 122.5M | 47 | 5 8eD Eq3 | |
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Allm Inc. | - | Shaping healthcare | Allm Inc. is dedicated to shaping healthcare. We seek to benefit society by laun... | - |
Japan
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- | Japan (HQ) + 1 | 2001 | Health Care, IT +1 | [email protected] |
1
Low
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69
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779 (-100%) | 4 years ago | Series A | 4 | 7.4B | 2127 | 5 months ago | |
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スペクトロニクス株式会社 | - | 半導体及び実装基板、半導体製造・検査装置、電子部品の微細加工等（主に穴あけやパタ... | スペクトロニクス株式会社は岡田穣治が2004年に創業以来、レーザ技術の産業応用に特化... | - |
Japan
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- | Japan (HQ) | 2004 | IT, Manufacturing | - |
1
Low
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8
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322 (-100%) | 1 year ago | Series E | 5 | 2.1B | 3 | 4 zME Iau | |
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Backpack | - | Building your all-in-one crypto super app. | At Backpack, we ship relentlessly to bring you products that make using crypto e... | - |
Japan
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- | Japan (HQ) | 2022 | Entertainment, IT +1 | - |
1
Low
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50
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156.1K (-22%) | 1 year ago | Series A | 1 | 17.0M | 4329 | 8 months ago | |
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Midokura | - | Midokura is a Sony Group company that delivers innovative solutions to power the... | A Sony Group subsidiary with offices in Tokyo and Barcelona. We aim to create a... | - |
Japan
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- | Japan (HQ) + 1 | 2010 | AI, Cloud Infrastructure +4 | [email protected] |
1
Low
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80
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582 (79%) | 8 years ago | Series B | 3 | 39.0M | 4681 | 5 months ago | |
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RABO, Inc. / Catlog | - | Because nine lives are never enough. すべては、猫様のために。 |
"Know your cat better with technology" Cherish your beloved cat's health throug... |
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Japan
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- | Japan (HQ) | 2018 | IT, IoT | [email protected] |
1
Low
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9
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114.0K | 3 months ago | Series Unknown | 6 | 2.0B | 28 | 5 months ago | |
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GOOPA Inc. | Not active anymore | Empowering game and animation creators to bring their visions to life through in... | GOOPA Inc., is a creative IT service development company based in Tokyo and Bang... | - |
Japan
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- | Japan (HQ) | 2011 | IT, Information Technology | [email protected] |
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N/A
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1
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287 | 12 years ago | Seed | 1 | 50.0K | 25 | 5 aHq pd3 | |
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Floadia Corporation | - | "フローディアの不揮発性メモリは、最高品質が要求される分野から低消費電力分野まで... | Floadia Corporation is an energetic start up, focused on providing embedded non-... | - |
Japan
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- | Japan (HQ) | 2011 | IT, Information Technology +3 | - |
1
Low
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16
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733 (-100%) | 1 year ago | Series D | 8 | 5.2B | 174 | 7 months ago | |
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NETSTARS Co., Ltd | - | The Top QR Merchant Network and Payment Gateway Provider in Japan | Netstars Co., Ltd. is a Japanese internet service company launched by three IT e... | - |
Japan
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- | Japan (HQ) + 2 | 2009 | Analytics, Content Creators +3 | [email protected] |
1
Low
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40
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28.8K (-1%) | 4 years ago | Private Equity | 8 | 9.6B | 265 | 5 dL3 5QQ | |
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Marketo Engage (マルケト) | - | Marketo Engageは世界5,000社以上が採用するマーケティングオートメーション(MA)です... | 【Blog：マーケットリーダーのインタビュー記事や、マーケティング関連情報を発信中】... | - |
Japan
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- | Japan (HQ) + 1 | 2006 | Automation, IT +1 | [email protected] |
1
Low
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3
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4.2K (-13%) | 11 years ago | Series A | 1 | 4.6M | 1791 | 1 year ago | |
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株式会社TWOSTONE&Sons | - | ～エンジニアと共に、未来に改革を～ あらゆるエンジニアが⾃由に、そして活き活きと... |
ITエンジニアに特化した転職⽀援を⾏う「Tech Stars」 フリーランスへの独⽴⽀援と案... |
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Japan
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- | Japan (HQ) | 2013 | API, IT +4 | - |
1
Low
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111
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697 (-100%) | 6 years ago | Corporate Round | 3 | 1.2M | 2 | 6 sRk TXg | |
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A*Quantum Inc. | - | Accelerating business logics and digital transformation through Quantum computin... | Our mission is to contribute to human evolution through optimization of unresolv... | - |
Japan
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- | Japan (HQ) | 2019 | IT, Internet | - |
1
Low
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1
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793 (-28%) | 4 years ago | Series A | 2 | 300.0M | 28 | 8 C3A GF2 | |
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QunaSys | - | Developing algorithms and software to maximize the potential of quantum computer... | Founded in 2018, QunaSys is the world's leading developer of innovative algorith... | - |
Japan
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- | Japan (HQ) + 1 | 2018 | IT, Information Technology +1 | [email protected] |
1
Low
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47
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6.7K (91%) | 7 months ago | Series B | 6 | 27.2M | 1607 | 5 months ago | |
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CROOZ,Inc. | - | One of Japan's top providers of mobile social games, expanding globally to captu... |
Social games: CROOZ, Inc. is one of the leading mobile social game providers in... |
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Japan
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- | Japan (HQ) + 1 | 2001 | IT | - |
1
Low
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51
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663 (-100%) | 19 years ago | Series Unknown | 1 | 230.7M | 141 | 5 Jdi sH9 | |
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Sparticle Inc. | - | We make teams excellent | We ship SaaS products: Felo App https://felo.me Felo is an Enterprise Communicat... | - |
Japan
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- | Japan (HQ) | - | IT | - |
1
Low
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17
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2.0K (114%) | 1 year ago | Seed | 1 | 500.0M | 173 | 1 year ago | |
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au kabucom Securities | - | - | ネット証券 | - |
Japan
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- | Japan (HQ) | 1999 | Financial Services, IT +1 | - |
1
Low
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16
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714 (-100%) | 6 years ago | Post Ipo Equity | 3 | 800.0M | 54 | 4 XGe olp | |
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株式会社coly（コリー） | - | - |
■ 企業理念 「もっと、面白く。」 colyはこれ以上具体的な企業理念を掲げていません... |
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Japan
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- | Japan (HQ) | 2014 | Gaming, IT +1 | - |
1
Low
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19
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34.0K (13%) | 9 years ago | Angel | 1 | 9.8M | 166 | 2 CeQ VEq | |
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Minto Inc. | - | - | Minto inc. was founded in January 2022 through the integration of Quan inc. and... | - |
Japan
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- | Japan (HQ) | 2022 | IT | - |
1
Low
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17
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22.1K (360%) | 1 year ago | Seed | 2 | 660.0M | 76 | 10 months ago | |
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Photosynth Inc. | - | - |
［キーレス社会を創造し、世界規模のインパクトとイノベーションを生み出す］ 私たちP... |
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Japan
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- | Japan (HQ) | 2014 | Hardware, IT | - |
1
Low
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50
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8.8K (-2%) | 3 years ago | Series A | 6 | 5.0B | 157 | 9 years ago | |
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Border, Inc. | - | - |
ボーダーは、法人の海外出張手配に特化した旅行会社です。 ビジネスのグローバル化に... |
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Japan
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- | Japan (HQ) | 2014 | IT, Travel and Tourism | [email protected] |
1
Low
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1
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43.5K (-3%) | 5 years ago | Series Unknown | 4 | 150.0M | 5 | 5 lJI hta | |
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GRCS | - | - | 9F MG Ichigaya Building, 1-9 Gobancho, Chiyoda-ku, Tokyo, Japan | - |
Japan
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- | Japan (HQ) | 2005 | Cloud Infrastructure, Cyber Security +3 | [email protected] |
1
Low
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68
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26.0K (-28%) | 5 years ago | Series Unknown | 4 | 624.3M | 609 | 5 months ago | |
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Turbolinux | - | - | A Market Leader in Linux Operating Environments: The Platform for Flexible Compu... | - |
Japan
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- | Japan (HQ) | 1992 | IT | [email protected] |
1
Low
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13
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41165 | - | Series C | - | 30.0M | 11458 | 9 Dq8 WR4 |