G.U.Group Inc.

About Us

Company Overview

Company Name G.U.Group, Inc.
Founded April, 2018
Capitalization 276 million yen (including reserve funds)
Representative Hidekazu Kondo, Daimei Inaba (Co-representative)

G.U.Technologies Global, Pte.Ltd.

G.U.Technologies, Inc.

Japan Blockchain Foundation Co., Ltd.



  • Cryptocurrency Wallet Development
  • Web Browser Development
  • Blockchain-related Research and Study

Daimei Inaba


Graduate of the Department of Mathematics at Waseda University, School of Science and Engineering. He also completed the Financial Strategy Course (MBA) at the Hitotsubashi University Graduate School of International Corporate Strategy.

After gaining experience as the corporate affairs representative at a major commercial bank, he was in charge of credit risk model/AI Development, as well as solution planning and development for banks at the Risk Data Bank of Japan, Ltd. In recent years, he has been engaged in developing and providing account information dynamic analysis solutions. Joined G.U.Group, Inc. in 2020.

Co-Author of: “Era of SME Rating Acquisition”, “Practical Operational Risk Management”, “Artificial Intelligence and Bank Management” (All part of Financial and Financial Situation Study Group)


Hidekazu Kondo


Hidekazu Kondo is the founding member of G.U.Group, Inc., a Tokyo based company that develops Ethereum Blockchain 2nd layer solution, ERC20 token wallet, and dApps Browser.

After got Ph.D in computer science, he developed an authentication system in Sony Corporation. He founded Lunascape Corporation in 2001, a company that develops the first tabbed web browser “Lunascape” in Japan. Lunascape has got more than 20 million users in Japan, and he got a Best Author Thesis Award from Japanese biggest computer science society, got Software Product of the Year 2007 from the Japanese government, and Asia’s Best Young Entrepreneurs from Business Week in 2008.

Kazuhito Mine

Kazuhito Mine

Outside Director

Graduated from The University of Tokyo, Faculty of  Law.

After graduating, he joined Sony Corporation, where contributed to the management and administration of the video business. Left the company in 2006 and went on to launch a venture incubation. Founded insprout Corporation and appointed the position of President and CEO.


Chika Watanabe


Graduate of the Department of Urban Engineering at the University of Tokyo. Also a graduate of the Stanford University Graduate School of Business Management (MBA).

At Mitsubishi corporation, she was involved in the development of information systems for planning and development of real estate, business planning of software and hardware, and then was involved in investment in the US Internet infrastructure technology startups. Later, she engaged in strategic consulting at McKinsey.

Moved to Silicon Valley in 2000 to expand the consulting business.

Yoshikazu Nishimura

Yoshikazu Nishimura


Engaged in studying DNA computing while enrolled at Waseda University, where he got his B.S. in Applied Mathematics. Graduate of the University of Southern California, M.S. in Computational Biology. 

Pursued research of analysis of DNA sequence and structural prediction of RNA and proteins. Experience with DNA base array-handling raises interest in natural language processing. 

Engaged in projects related to Artificial Intelligence and Blockchain technology. Developed the Tachyon mobile wallet.

Won the Best Innovation Award at Global Blockchain Summit 2016 in Shanghai.

Published “Blockchain Application for Beginners – Smart Contract Development on Ethereum” (SHOEISHA in 2017).

Shinya Nagatsuka

Shinya Nagatsuka

Audit & Supervisory Board Member

Graduated from Waseda University, School of Commerce.

After graduating, he joined PricewaterhouseCoopers Aarata LLC, where contributed to the advisory services for financial institutions, audits for technology industory, and IPO-related operations. Left the company in 2022 and founded the Nagatsuka Certified Public Accountants Office. He also joined WADRAS Inc. as COO.