Showing 1–19 of 19 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hideaki Matsuda | Ss Pharmaceutical Co. | 3 |
| 2 | Shinjiroo Ueda | Hitachi | 2 |
| 2 | Toshio Honjo | Powdertech Co. | 2 |
| 2 | Motosuke Yamanaka | Eisai | 2 |
| #5 | Hideo Tsuda | Hitachi | 1 |
| #5 | Kousuke Takeuchi | Sanyo Electric Co. | 1 |
| #5 | Yasuo Fukatsu | Canon | 1 |
| #5 | Yoshitaka Kondo | Daido Metal Company | 1 |
| #5 | Akira Kosho | Hitachi Seiki Co. | 1 |
| #5 | Yutaka Nishimura | Hitachi | 1 |
| #5 | Takaharu Nakamura | Eisai | 1 |
| #5 | Akio Ohkoshi | Kabushiki Kaisha Toshiba | 1 |
| #5 | Koichiroh Katoh | Director-General Of Agency Of Industrial Science And Technology | 1 |
| #5 | Nobuatsu Hayashi | Hitachi | 1 |
| #5 | Kengo Sugiyama | Hitachi | 1 |
| #5 | Hideaki Matsuki | Hitachi Seiki Co. | 1 |
| #5 | Hidefumi Shiratori | Hitachi Seiki Co. | 1 |
| #5 | Shosaku Sawada | Hitachi Seiki Co. | 1 |
| #5 | Mashiko Sasaki | Asahi Kogaku Kogyo K.K. | 1 |