Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Takeshi Osawa | Sanyo Electric Co. | 6 |
| 2 | Koichi Yoshioka | Japan Metals & Chemicals Co. | 3 |
| 3 | Koichi Kambe | Japan Metals & Chemicals Co. | 2 |
| 3 | Yuko Kawakura | Mitsuba | 2 |
| 3 | Yasuo Ohtani | Fuji Oil Holdings | 2 |
| #6 | Toshio Toyota | Japan Metals & Chemicals Co. | 1 |