About Denyo About Denyo
About Denyo

Company Profile


Company Name Denyo Co., Ltd.
Representative Shoichi Shiratori, President
Established July 2, 1948
Head Office

MAP2-8-5, Nihonbashi-horidomecho, Chuo-ku, Tokyo 103-8566, Japan

Tel:81-3-6861-1111 / Fax:81-3-6861-1181

Paid-in Capital 1,954 million yen
Fiscal Year April 1 to March 31
Plants Fukui ( Japan ) , Kentucky ( U.S.A.) , Indonesia and Vietnam
Number of employees 546 ( Denyo Group : 1,215 ) ( as of March 31, 2017 )
Issued Shares 22,859,660 ( as of March 31, 2017 ) 
Business Lines Manufacture and sales of Engine-driven Generators, Welders, Air Compressors and other special machinery

Company Organization

Company Organization



Chairman Shigeru Koga
President Shoichi Shiratori
Representative Director,
Executive Vice President
Yoji EtoResponsible for Sales Division,Administration Division,Quality Managemant Division
Director & Executive Advisor Hideaki Kuboyama
Managing Executive Officer
Teruo YashiroResponsible for Production Division, Development Division,Overseas Manufacturing Subsidiary
Managing Executive Officer
Yasuo MizunoChief Executive, Sales Division
Responsible for Overseas Sales Subsidiary
Director Haruhito Takada*
Director Reiko Asahina*
Audit & Supervisory
Board Member
Toru Masui
Audit & Supervisory
Board Member
Masaru Sugiyama
Audit & Supervisory
Board Member
Akira Yamada*
Audit & Supervisory
Board Member
Yoshio Takeyama*

Asterisk* indicates an external director or external audit & supervisory board member.

Executive Officers

Senior Executive Officer Yoshito YamaguchiChief Executive,
Quality Management Division
Senior Executive Officer Toshiya TozawaChief Executive,
Administration Division
Senior Executive Officer Satoru KatoGeneral Manager,
Sales Planning Department
Sales Division
Senior Executive Officer Yasuhiro YamadaHead of International Sales Unit
General Manager, International Sales Department 1
Sales Division
Senior Executive Officer Fumitoshi ArimitsuPresident of Nishinihon Generator Mfg. Co., Ltd.
Senior Executive Officer Sampei SatoChief Executive, Development Division
Executive Officer Makoto TanabeGeneral Manager,
General Affairs Department,
Finance Department
Administration Division
Executive Officer Kenichi HamanosonoExecutive Officer
General Manager, Sales Department of Denyo Kosan Co., Ltd.
Executive Officer Kensaku MoriyamaHead of Domestic Sales Unit
General Manager, East Japan Sales Department
Sales Division
Executive Officer Chiyoki KimuraGeneral Manager,
West Japan Sales Department
Sales Division
Executive Officer Michio NonakaChief Executive, Production Division
Executive Officer Toshiaki ShimazuGeneral Manager,
Production Management Department
Executive Officer Toru Hiroi General Manager, Development Department,
Patent Administration Department
Executive Officer Takanori Yoshinaga General Manager,
Engineering Department
Development Division