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Corporate Profile
Harmonic Drive Systems Inc.
Head Office 6-25-3 Minami-Oi, Shinagawa-ku, Tokyo 140-0013 JAPAN
Access Map (PDF 58KB) PDF
Founded October 1970
Business Domain Manufacturing and sales of precision speed reducers
Capital ¥1,610.5 million (as of March 31, 2010)
Net Sales Consolidated: ¥12,056 million
Non-consolidated: ¥10,486 million
(FY2009 ended March 31, 2010)
Employees Consolidated: 373
Non-consolidated: 239
(as of March 31, 2010)
Banks The Bank of Tokyo-Mitsubishi UFJ, Ltd.
Resona Bank, Ltd.
Sumitomo Mitsui Banking Corporation
Mizuho Bank, Ltd.
Board of Directors
Chairperson and Representative Director : Mitsumasa Ito
President and Representative Director : Masakatsu Sasahara
Director : Tetsuo Ikuta
Director : Yoshihide Kiyosawa
Outside Director : Yoshimasa Ito
Outside Director : Haruhiko Yoshida
Outside Director : Shinji Sakai
Board of
Corporare Auditors
Standing Outside Corporare Auditor : Yasuo Koba
Outside Corporare Auditor : Yutaka Nakanishi
Outside Corporare Auditor : Hideyoshi Oshima
Executive Officers
Chairperson and Chief Executive Officer (CEO) : Mitsumasa Ito
President and Chief Operating Officer (COO) : Masakatsu Sasahara
Senior Managing Executive Officer
Chief Administrative Officer (CAO)
: Yoshio Yamazaki
Managing Executive Officer
Chief Financial Officer (CFO)
: Akira Nagai
Executive Officer
Chief Product Officer (CPO)
Head of Production Technology and Materials Headquarters
Chief Overseas Officer
: Tetsuo Ikuta
Executive Officer
Chief Technology Officer (CTO)
Head of Core Research Headquarters
Quality Control Supervisor
: Yoshihide Kiyosawa
Executive Officer
Chief Compliance Officer (CCO)
Chief Information Officer (CIO)
Environmental Affairs Supervisor
Operations Reform Manager
: Tomoyori Ishii
Executive Officer
Head of New Business Development Office
: Tetsuaki Maruyama
Executive Officer
Chief marketing Officer (CMO)
Head of MC Business and Domestic Sales Headquarters
: Hiroshi Ozawa
Executive Officer
Head of Production Headquarters
: Hideo Yasue
Executive Officer
Head of Development Headquarters
: Yoshihiro Tanioka
Executive Officer
President and Representative Director of Hamonic AD, Inc.
: Naomi Shirasawa
Business Location Head Office
Believe Omori, 7F
6-25-3 Minami-Oi, Shinagawa-ku, Tokyo 140-0013 JAPAN
PHONE: +81-(0)3-5471-7800    FAX: +81-(0)3-5471-7811
Access Map(PDF 63KB) PDF

Overseas Division
1856-1 Hotakamaki, Azumino-shi,
Nagano 399-8305 JAPAN
PHONE: +81-(0)263-83-6935 FAX: +81-(0)263-83-6901

Hotaka Plant
1856-1 Hotakamaki, Azumino-shi,
Nagano 399-8305 JAPAN
PHONE: +81-(0)263-83-6800    FAX: +81-(0)263-83-6901

Additionally, 6 Business Offices in JAPAN

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JASDAQJ STOCKSystem management attestationHarmonic Drive Systems Inc.
The academic and general nomenclature for "Harmonic Drive®" is "harmonic drive gearing". "Harmonic Drive®"is a registered trademark that can be used only on products which are manufactured and sold by Harmonic Drive Systems Inc.
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