Japan Gear Manufacturers Association



Objectives and Brief story

JGMA is the only one representative of Japanese gear and gearing industry. The objectives of JGMA activity is to contribute to the development of Japanese economy by promoting technical innovation, streamlining the management and the machine renovation for gear and gearing industry in Japan. It was organized in 1938 and restarted as an incorporated body in 1958.


  • 1. Promoting the development of Gear and Gearing Industry.
  • 2. Standards development.
  • 3. Training
  • 4. Market development and Public relations.
  • 5. International exchange

Details here

Organization chart

Headquarter & Branches of JGMA

Japan Gear Manufacturers Association
Kikaishinko bld. 208 3-5-8 shibakoen Minato-ku
Tokyo 105-0011, Japan
TEL: +81-3-3431-1871
FAX: +81-3-3431-1872
13-15 Naka-cho Kawaguchi-shi,Saitama
TEL: +81-48-254-1744
The head of Branch: Toshiharu Kohara
Central Japan Branch Gifu Gear Manufacturing Co., Ltd.
2-2-2, Usaminami, Gifu-shi, Gifu,
TEL: +81-58-274-5381
The head of Branch: Toshinori Matsunami
West Japan Branch HOUZUMI GEAR CO.,LTD
406, Hanadacho lppommatsu, Himeji-shi, Hyogo,
TEL: +81-79-253-0715
The head of Branch: Yukihiko Hozumi

Board of directors (All members are part-timer)

Term of service 2015~2016 (Rev. May, 2015)

No. Title Name Company
1 Chairman Yutaka Sawada YUTAKA SEIMITSU KOGYO Ltd.
2 Vice Chairman Toshiharu Kohara Kohara Gear Industry Co.,Ltd.
3 Vice Chairman Toshinori Matsunami GIFU GEAR MANUFACTURING CO.,LTD.
4 Vice Chairman Masakatsu Ueda Ueda Heavy Gear Works
5 Director Kohji Yoshioka OSAKA SEIMITSU KIKAI Co.,Ltd.
6 Director Yoshiyuki Imura NAGOYA GEAR Co.,Ltd.
7 Director Mitsuo Endo UNITECH CORPORATION
8 Director Tadaaki Ida KYOUIKU GEAR MFG,Co.,Ltd.
9 Director Takeo Kidokoro OKUBO GEAR CO.,LTD.
10 Director Haruo Terada NIPPON GEAR CO,LTD.
11 Director Toshio Imanaka KANZAKI KOKYUKOKI MFG.CO.,LTD.
12 Director Yoichi Oishi NAKANISHI GEAR CO.,LTD.
13 Director Takashi Eino Hitachi Nico Transmission Co.,Ltd.
14 Director Hiroshi Une OKAMOTO MACHINERY CO.,LTD.
15 Director Jyosuke Takahashi KAWAGUCHI MACHINERY CO.,LTD.
16 Director Takashi Yamazaki Nagaoka Gear Works Co.,Ltd.
17 Director Yoshinori Kikuchi KIKUCHI GEAR CO.,LTD.
18 Director Yukihiko Hozumi HOZUMI GEAR CO.,LTD.
19 Director Fumihiko Tanaka OGIC Co.,Ltd.
20 Director Norihisa Kiyokawa HAMAI CO.,LTD.
21 Director Katsumi Tsui Daiwa Gear Mfg.,Co.,Ltd.
22 Director Saburo Shima Shima Seisakusyo Co.,Ltd.
23 Director Koutaro Makimura MAKISHINKO CO.,LTD.
24 Director lsamu Tsuji IWASA TECH CO.,LTD.
25 Director Hiroshi Nakanishi MATSUMOTO PRECISION Gear Co.,Ltd.
1 Auditor Shigeru Komatsu ASANO GEAR CO.,LTD.
2 Auditor Tsutomu Yatogi Miyako Precision Gear Co.,Ltd.

How to Join

We are exited that you are interested in joining JGMA.
We would welcome all of corporations, groups, individuals membership.
To join, ask our member to introduce you to JGMA or inquire of JGMA directly about application.
Soon application from will be sent to you.
After getting application form from you, admission will be approved through the meeting of board of directors.

1. Membership
Membership consists of the full members and the supporting members, the full members are the formal members of the civil code.

The full membersCorporations, groups, individuals who manufacture gears and gear boxes.
The supporting membersCorporations, groups, individuals who support JGMA.

2. Dues

An enrollment feea. a full member :100,000 yenb. a supporting -Company listed in stock market :100,000 yen

-Company unlisted in stock market :50,000 yen

Annual duesa. A full member: Assignment on the number of employee and on a per capita.Example

Assignment on the number of employee

Number of employee Dues(yen) Assignment ona per capita(yen) Total(yen)
1-10 55,000 75,000 130,000
21-30 85,000 160,000
51-100 221,000 296,000
151-200 460,000 535,000

Ask details to secretariat

b. A supporting member

-Company listed in stock market :500,000yen

-Company unlisted in stock market :190,000yen

3. More details
Japan Gear Manufactures Association (JGMA)
Kikai Shinkou Kaikan Building 208, 3-5-8 Shibakouen, Minato-ku, Tokyo, 105-0011, Japan
TEL : +81-3-3431-1871 FAX : +81-3-3431-1872
E-mail : jgmaquestion@jgma.org