Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Nobuyuki Isshiki | Kao | 2 |
| 2 | Kotaro Oshima | Dainichiseika Color & Chemicals Mfg. Co. | 1 |
| 2 | Toru Asada | Dainippon Ink And Chemicals | 1 |
| 2 | Yukinori Akamoto | Kabushiki Kaisha Toshiba | 1 |
| 2 | Keiji Noma | Hitachi | 1 |
| 2 | Koichi Sentoku | Canon | 1 |
| 2 | Gilbu Soe | Hogy Medical Co. | 1 |