Showing 1–25 of 25 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yoshio Katayama | Sumitomo Electric Industries | 5 |
| 1 | Makoto Yasuda | Ricoh Company | 5 |
| 3 | Tomio Hotta | Kabushiki Kaisha Toshiba | 4 |
| #4 | Hitoshi Saito | Dai Nippon Printing Co. | 3 |
| #4 | Kenji Tamada | Silver Seiko | 3 |
| #6 | Soichiro Matsuzawa | Ngk Insulators | 2 |
| #6 | Taiji Gotoh | Mie Horo Co. | 2 |
| #6 | Osamu Matsuura | Toshiba Memory | 2 |
| #6 | Yukihisa Tsumori | Ntn | 2 |
| #6 | Norihiko Ushizawa | Terumo Kabushiki Kaisha | 2 |
| #6 | Tetsuro Kamiya | Kao | 2 |
| #12 | Norio Fukui | Fdk | 1 |
| #12 | Hideji Ito | Ntn | 1 |
| #12 | Takuji Yamaguchi | Sanwa Kagaku Kenkyusho Co. | 1 |
| #12 | Yoshiya Tachi | — | 1 |
| #12 | Sanemi Fukuda | Kabushiki Kaisha Toshiba | 1 |
| #12 | Yuzi Nakagawa | Japan Synthetic Rubber | 1 |
| #12 | Keiiti Hirata | Brother Kogyo | 1 |
| #12 | Nobukatsu Arai | Hitachi | 1 |
| #12 | Takayasu Takubo | Ntn | 1 |
| #12 | Hiroshi Niwa | Olympus | 1 |
| #12 | Kiyomi Kobayashi | Denso | 1 |
| #12 | Kazuo Okamura | Sumitomo Electric Industries | 1 |
| #12 | Toshihiro Watanabe | Brother Kogyo | 1 |
| #12 | Kiyomitsu Yoshida | Ishihara Sangyo Kaisha | 1 |