Company Profile

Company NameRyoyu Systems Co., Ltd.
Head Office19F Seavans South Bldg.,
1-2-3 Shibaura, Minato-ku, Tokyo 105-0023 Japan
EstablishedJuly 1968 (Founded in February 1962)
Capital¥685 million (paid in)
Listed ExchangeTokyo Stock Exchange
JASDAQ (Standard)
Number of Employees1,515 (as of March 31st, 2017)

Major Shareholders

  • Mitsubishi Heavy Industries, Ltd.
  • Mitsubishi Electric Corporation
  • MUFG Bank, Ltd.
  • Ryoyu Employee Shareholding Association

Main Customers

  • Mitsubishi Heavy Industries, Ltd.
  • Mitsubishi Hitachi Power Systems, Ltd.
  • Mitsubishi Aircraft Corporation
  • Mitsubishi Motors Corporation
  • Mitsubishi Electric Corporation
  • Mitsubishi Fuso Truck and Bus Corporation
  • Mitsubishi Estate Group
  • Mitsubishi Auto Leasing Corporation
  • Mitsubishi Heavy Industries Air-Conditioning & Thermal Systems Corporation
  • Mitsubishi Heavy Industries Engine Systems Co., Ltd.
  • Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
  • Caterpillar Japan Ltd.
  • IIJ Global Solutions Inc.
  • IBM Japan, Ltd.
  • ASICS Corporation
  • SoftBank Group Corp.
  • SECOM Trust Systems Co., Ltd.
  • Fuji Xerox Information Systems Co., Ltd.
  • YKK Corporation
  • Honda R&D Co., Ltd.
  • Japan Aerospace Exploration Agency (JAXA)

Board of Directors

  • President:Haruo Watanabe 
Managing Director(Executive Officer):Jun Ogino 
Managing Director(Executive Officer):Masahiro Sonda 
Director(Executive Officer):Motoshi Iijima 
Director:Katsuhisa Takaura 
Director:Kimitoshi Bamba 
Director(Audit and Supervisory Committee Member):Hiroyasu Hasejima 
Director(Audit and Supervisory Committee Member):Hiroji Matsui 
Director(Audit and Supervisory Committee Member):Yoshiyuki Sugimoto 
Executive Officer:Takaya Muroya 
Executive Officer:Seiji Ohkubo
(Note)Katsuhisa Takaura,Kimitoshi Bamba,Hiroji Matsui,Yoshiyuki Sugimoto are outside directors.
  • President:Haruo Watanabe 
Managing Director(Executive Officer):Jun Ogino 
Managing Director(Executive Officer):Masahiro Sonda 
Director(Executive Officer):Motoshi Iijima 
Director:Katsuhisa Takaura 
Director:Kimitoshi Bamba 
Director(Audit and Supervisory Committee Member):Hiroyasu Hasejima 
Director(Audit and Supervisory Committee Member):Hiroji Matsui 
Director(Audit and Supervisory Committee Member):Yoshiyuki Sugimoto 
Executive Officer:Takaya Muroya 
Executive Officer:Seiji Ohkubo
(Note)Katsuhisa Takaura,Kimitoshi Bamba,Hiroji Matsui,Yoshiyuki Sugimoto are outside directors.
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