General Information

Company Name REXEV Inc.
Establish January 23th, 2019
Common stock 95 million yen(included legal capital surplus)
Executive officers CEO  Ken Watanabe
Co-founder&Director Takashi Fujii
Co-founder&Director Takahiro Moritsugu
Major business segments
  • Car sharing service specified for EV
  • Designing and offering system for EV car sharing
  • Energy management system service
  • Aggregating energy resources
  • Consultancy in regional electric utility
Head office location Diagate Ikebukuro 5F, 1-16-15 Minami-ikebukuro, Toyoshima-ku, Tokyo 〒171-0022
Headquarters location 1-30-13 Ougi-tyou, Odawara City, Kanagawa 〒250-0001
TEL 03-5985-6227
FAX 03-5985-6201


Head office:
〒171-0022 Diagate Ikebukuro 5F, 1-16-15 Minami-ikebukuro, Toyoshima-ku, Tokyo
TEL 03-5985-6227  FAX 03-5985-6201

Headquarters 1-30-13 Ougi-tyou, Odawara City, Kanagawa 〒250-0001


Chief Executive officer
Ken Watanabe

Waseda University, Faculty of Science and Engineering, Department of Electrical, Electronic and Information Engineering, BA /  Electrical Engineering, MSc

Hitotsubashi University Graduate School of International Corporate Strategy, Financial Strategy, MBA

Kyushu University, Research Center for Green Technology, Visiting Professor/Osaka City University, Part-time lecturer

Engaged international trade of electricity products and plant construction project for middle east and Europe area at Sumitomo Corporation Inc.

After be sent to Summit Energy Inc., handled operation of electricity plant development and power supply/demand management .

In 2009, joined ENERES Inc., and successively held posts of executive officer, director and executive director, engaging corporate planning and business development. Achieved getting ENERES Inc. listed on Tokyo Stock Exchange in 2013 as an IPO officer. In January 2019, established REXEV Inc as a CEO.

Takashi Fujii

University of Tokyo, School of Science, Geography BA.

After joining J-Brain Inc. and offering premium recruiting services, moved to Navitime Japan Inc. and engaged joint business planning with auto manufacturers in car-telematics area. After joining ENERES Inc. in 2013, established electricity sales business, growth strategy plan and conducted sales planning. Successively held posts of general manager of business management, sales strategy and director of ENERES Power Market Inc. In January 2019, established REXEV Inc. as a director.

Takahiro Moritsugu

Kyushu University, Faculty of Engineering, Department of Mechanical and Aerospace Engineering BA.

At Mitsubishi Heavy Industries Ltd., placed in department of primary circular system of nuclear power plant, and engaged in project management consistently, from bidding to delivery. After Joining ENERES Inc. in 2013, experienced establishment and management of renewable energy power plants and new power utilities. Since 2017, have designed business strategy as chief of head quarters of business management. In January 2019, established REXEV Inc. as a director.

Technical Advisor
Masayuki Hisada

The University of Aizu, Graduate School Computer Science and Engineering, Ph.D. of Computer Science

At NetworkSecurityJapan Inc., researched about network and security, and engaged in education about computer network as a lecturer of information engineering at Kanazawa Institute of Technology. In 2007, established Aizu Labo Inc. as the University of Aizu-launch-venture that offers hard wares and soft wares for tourism and energy areas, utilizing IT/ICT/IoT. Retired the CEO of Aizu Labo Inc. in 2018, and has held posts of Technical Advisor of several IT companies. In March 2019, became of Technical Advisor of REXEV inc.