Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kooichi Yoshida | Nippon Kayaku | 2 |
| 1 | Toshiyuki Hisatsune | Sony | 2 |
| 1 | Tomozo Sekiguchi | Pentel Kabushiki Kaisha | 2 |
| #4 | Hiromichi Takahashi | Kao | 1 |
| #4 | Toshihide Takemoto | Kanto Kagaku | 1 |
| #4 | Kazuma Noguchi | Pentel Kabushiki Kaisha | 1 |
| #4 | Shigeru Kaji | Toyota | 1 |
| #4 | Osamu Kuratani | Maruzen Oil Co. | 1 |
| #4 | Yasunori Hirose | Maruzen Oil Co. | 1 |
| #4 | Tamio Kuroda | Komori Printing Machinery Co. | 1 |