Showing 1–28 of 28 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Toru Ishii | — | 6 |
| 2 | Masayuki Katahira | Nsk | 4 |
| 3 | Shinichi Kasuga | Nsk | 3 |
| 3 | Toru Tsukada | Nsk | 3 |
| #5 | Hiroo Hoshino | Nippon Kayaku | 2 |
| #5 | Kazuyuki Kanai | Sysmex | 2 |
| #5 | Kazuo Okano | Eisai | 2 |
| #5 | Isao Ishigaki | Japan Atomic Energy Research Institute | 2 |
| #5 | Yorikazu Aoki | Sanden | 2 |
| #5 | Sadayuki Tsukagoshi | Mitsubishi Electric | 2 |
| #11 | Seizo Iwai | — | 1 |
| #11 | Tuyoshi Nagase | Hitachi | 1 |
| #11 | Masao Kaneko | Sanyo Electric Co. | 1 |
| #11 | Akio Wakai | Mitsuba Electric Manufacturing Co. | 1 |
| #11 | Koji Kajitani | Exedy | 1 |
| #11 | Shinji Nakazato | Hitachi | 1 |
| #11 | Kiyoshi Sadakata | Nsk | 1 |
| #11 | Kazuhisa Shimizu | Pentel Kabushiki Kaisha | 1 |
| #11 | Yukiko Iwai | — | 1 |
| #11 | Isamu Chikuma | Nsk | 1 |
| #11 | Sachio Ishii | — | 1 |
| #11 | Satoshi Kudo | Canon | 1 |
| #11 | Tsuneko Iwai | — | 1 |
| #11 | Toshiyuki Teshigawara | Sanden | 1 |
| #11 | Toshiyuki Nagashima | Nippon Seiko Co. | 1 |
| #11 | Kazuo Kanbayashi | Showa Denko | 1 |
| #11 | Shiro Kataoka | Toray Industries | 1 |
| #11 | Shoukou Nakamura | — | 1 |