Showing 1–16 of 16 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Tomoaki Fujiyama | Mazda Motor | 5 |
| 1 | Susumu Honda | Teijin Limited | 5 |
| 3 | Kazuo Kohmura | Mitsui Chemicals | 3 |
| #4 | Shuji Muraoka | Mazda Motor | 2 |
| #4 | Takashi Yoshitomi | Teijin Limited | 2 |
| #4 | Tsuneaki Biyajima | Mitsui Chemicals | 2 |
| #4 | Kakue Nakamoto | Toyo Jidoki Co. | 2 |
| #8 | Hidenobu Tsutsumi | Unknown | 1 |
| #8 | Keita SUIZU | Unknown | 1 |
| #8 | Tohru Yoshikane | Toyo Jidoki Co. | 1 |
| #8 | Masahiko Narasaki | Teijin Pharma Limited | 1 |
| #8 | Sadahiko Matsuura | Mitsui Chemicals | 1 |
| #8 | Yasuyuki Honda | Toyo Jidoki Co. | 1 |
| #8 | Junji Nakazaki | Unknown | 1 |
| #8 | Tadamine Ohashi | Toyobo Co. | 1 |
| #8 | Tomoya Akutagawa | Teijin Pharma Limited | 1 |