Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiroaki Nomura | Takeda Chemical Industries | 44 |
| 2 | Masao Matsui | Kanebo, Limited | 34 |
| 3 | Takashi Watanabe | Meiji Seika Pharma Co. | 19 |
| #4 | Kunitomo Sasaki | Konica Minolta | 10 |
| #5 | Shuji Nakano | Toyoda Gosei Co. | 6 |
| #6 | Toshiaki Aragane | Mitsuboshi Belting | 5 |
| #7 | Masaharu Kita | Kawasaki Steel | 4 |
| #7 | Munehiro Hoshino | Nippon Instruments | 4 |
| #9 | Kazuya Aoyama | Sumitomo Electric Industries | 2 |