Showing 1–14 of 14 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Norio Koike | Hitachi | 48 |
| 2 | Hiroshi Ohga | Hitachi High-Technologies | 19 |
| 3 | Akihito Numata | Hitachi | 16 |
| #4 | Hiroki MIKAMI | Nippon Zoki Pharmaceutical Co. | 6 |
| #5 | Seiji Koino | Kabushiki Kaisha Toshiba | 3 |
| #5 | Katsuhiko Yanai | — | 3 |
| #7 | Sakae Kobori | Hitachi High-Technologies | 1 |
| #7 | Yasumasa Maeda | Japan Metals & Chemicals Co. | 1 |
| #7 | Soukichi Uehara | Kabushiki Kaisha Toshiba | 1 |
| #7 | Kiyoyuki Kondo | — | 1 |
| #7 | Masaki Kawahara | Japan Agency For Marine-Earth Science And Technology | 1 |
| #7 | Kiyotaka Oshio | Honda Motor Co. | 1 |
| #7 | Toshimitsu Onoda | — | 1 |
| #7 | Yoshinori Ookoshi | Hitachi High-Technologies | 1 |