Showing 1–23 of 23 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ken Hirota | Sumitomo Electric Industries | 2 |
| 1 | Mituhiro Onuki | Cca | 2 |
| 1 | Takafumi Ishii | Nippon Oil | 2 |
| #4 | Akira Kamiyama | Mitsuba Electric Manufacturing Co. | 1 |
| #4 | Hirokazu Nakano | Mitsuba Electric Manufacturing Co. | 1 |
| #4 | Ryu Ikezawa | Mitsuba | 1 |
| #4 | Katsumi Sagisaka | Ibiden Co. | 1 |
| #4 | Shigeki Ota | Mitsuba | 1 |
| #4 | Shiro Ishikawa | Ntn | 1 |
| #4 | Hidefumi Takahashi | Mitsuba Electric Manufacturing Co. | 1 |
| #4 | Hironobu Kishi | Mitsuba Electric Manufacturing Co. | 1 |
| #4 | Yoshizo Fujimoto | — | 1 |
| #4 | Masazumi Ishikawa | Noritsu Koki Co. | 1 |
| #4 | Yasuyoshi Nakajima | Yamaha | 1 |
| #4 | Eiji Kawachi | Daikyo Gomu Seiko | 1 |
| #4 | Enjiro Maejima | Ogura Clutch Co. | 1 |
| #4 | Shinichi Kuroda | Sony | 1 |
| #4 | Noriyoshi Kikuchi | Japan Servo Co. | 1 |
| #4 | Yoichi Shindo | Fuji Electric Co. | 1 |
| #4 | Shigeru Takada | Mitsubishi Electric | 1 |
| #4 | Sandou Michimasa | — | 1 |
| #4 | Minoru Otsuka | Sony | 1 |
| #4 | Masayoshi Shirato | Mitsuba Electric Manufacturing Co. | 1 |