Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kiichi Sawai | Sanwa Kagaku Kenkyusho Co. | 60 |
| 2 | Daisuke SAKUMA | Toyota | 21 |
| 3 | Tsutomu Ogasawara | Canon | 18 |
| #4 | Yoshimitsu Ina | Kao | 8 |
| #5 | Takayuki Kajihara | Mitsui Chemicals | 7 |
| #6 | Masakazu Tsukamoto | Chubu Electric Power Company, Incorporated | 6 |