Showing 1–15 of 15 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Masahiro Tsumura | Kashima Oil Co. | 2 |
| 1 | Yoshitaka SUNAYAMA | Asahi Glass Co. | 2 |
| 3 | Hiromitsu Sasaki | Honda Motor Co. | 1 |
| 3 | Kouji Takatani | Sumitomo Metal Industries | 1 |
| 3 | Yuuya Enomoto | Dic | 1 |
| 3 | Shiro Takahashi | Man Design Co. | 1 |
| 3 | Tsugio Imaizumi | Mitsui Chemicals | 1 |
| 3 | Seiji Funakura | Dic | 1 |
| 3 | Shigeru Okano | Kuraray Co. | 1 |
| 3 | Kouji Maeba | Mitsui Chemicals | 1 |
| 3 | Kozue Sunouchi | Dic | 1 |
| 3 | Minoru Kase | Kao | 1 |
| 3 | Kazuhiro Kumakura | Shin-Etsu Chemical Co. | 1 |
| 3 | Yasumichi Ooto | Mitsui Chemicals | 1 |
| 3 | Hideaki Ueoka | Kao | 1 |