Showing 1–15 of 15 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Fumiaki Yamaguchi | Honda Motor Co. | 9 |
| 2 | Kazuo Kohmura | Mitsui Chemicals | 2 |
| 2 | Sadahiko Matsuura | Mitsui Chemicals | 2 |
| #4 | Hideki Kawamoto | Ihi | 1 |
| #4 | Takashi Yoshitomi | Teijin Limited | 1 |
| #4 | Susumu Honda | Teijin Limited | 1 |
| #4 | Shuji Muraoka | Mazda Motor | 1 |
| #4 | Tohru Yoshikane | Toyo Jidoki Co. | 1 |
| #4 | Asami Kanematsu | Teijin Limited | 1 |
| #4 | Kakue Nakamoto | Toyo Jidoki Co. | 1 |
| #4 | Tomoyuki Nakamoto | Nippon Paper Industries Co. | 1 |
| #4 | Yoshiya Matsukawa | Mitsui Chemicals | 1 |
| #4 | Masahiro Nakashige | Mazda Motor | 1 |
| #4 | Chihiro Araki | Kabushiki Kaisha Top | 1 |
| #4 | Tsuneaki Biyajima | Mitsui Chemicals | 1 |