Showing 1–13 of 13 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Keiji Oono | Wako Pure Chemical Industries | 3 |
| 1 | Koju Watanabe | Kureha Chemical Industry Co. | 3 |
| 3 | Yoshinori Kawashima | Honda Motor Co. | 2 |
| 3 | Nobutaka Takahashi | Nissan Motor Co. | 2 |
| 3 | Minoru Hara | Olympus Optical Co. | 2 |
| #6 | Yukio Itou | Nippon Conlux Co. | 1 |
| #6 | Sadami Ishibashi | Mitsui & Co. | 1 |
| #6 | Kanesue Shimizu | Nippon Conlux Co. | 1 |
| #6 | Yukichi Hayashi | — | 1 |
| #6 | Toshio Mikami | Toko Co. | 1 |
| #6 | Hajime Miyajima | Toko Co. | 1 |
| #6 | Osamu Kawana | Taiyo Ink Mfg. Co. | 1 |
| #6 | Kaname Ikeya | — | 1 |