Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Toshihiro Matsumura | Sumitomo Electric Industries | 3 |
| 2 | Junji Fujikawa | Dai Nippon Printing Co. | 1 |
| 2 | Sumio Hirotsu | Kao | 1 |
| 2 | Shinji Mizuno | Teikoku Tsushin Kogyo Co. | 1 |
| 2 | Hidekazu Nakashima | Toray Industries | 1 |