Showing 1–17 of 17 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Katsushige Ikai | Takara Shuzo Co. | 6 |
| 2 | Hiroaki Kubo | Minolta Co. | 5 |
| 3 | Yoshiko Miya | Sumitomo Chemical | 2 |
| 3 | Toshifumi Hiyoke | Sumitomo Special Metals Co. | 2 |
| #5 | Koichiro Minato | Sumitomo Electric Industries | 1 |
| #5 | Takehisa Hata | Fujisawa Pharmaceutical Co. | 1 |
| #5 | Toshihiko Sugibuchi | Shimadzu | 1 |
| #5 | Tetsuro Fujita | Kabushiki Kaisha Taito | 1 |
| #5 | Haruo Kuriyama | Maruishi Pharmaceutical Co. | 1 |
| #5 | Kunihiro Yamamura | Nippon Shokubai Co. | 1 |
| #5 | Shinobu Mizuno | Murata Manufacturing Co. | 1 |
| #5 | Shinichi Ide | Honda Motor Co. | 1 |
| #5 | Hideto Goto | Maxell | 1 |
| #5 | Tooru Shimomura | Omron Tateisi Electronics | 1 |
| #5 | Naohide Yamada | Sony | 1 |
| #5 | Masakazu Ban | Santen Pharmaceutical Co. | 1 |
| #5 | Kazunari Yamashita | Fujisawa Pharmaceutical Co. | 1 |