Top Inventors at Cosmo Oil Co. 2002
Showing 1–27 of 27 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Seiji Nishikawa | 3 |
| 1 | Yasushi Hotta | 3 |
| 3 | Yoshihiro Katayama | 2 |
| #4 | Eiji Masai | 1 |
| #4 | Fumio Hamada | 1 |
| #4 | Hitoshi Kumagai | 1 |
| #4 | Katsumi Miyamoto | 1 |
| #4 | Kazuhito Sato | 1 |
| #4 | Keitaro Watanabe | 1 |
| #4 | Kiyotaka Shigehara | 1 |
| #4 | Kikuo Watanabe | 1 |
| #4 | Masao Fukuda | 1 |
| #4 | Masahiro Ishizuka | 1 |
| #4 | Mitsuharu Hasegawa | 1 |
| #4 | Mitsunori Tabata | 1 |
| #4 | Nobuhiko Iki | 1 |
| #4 | Nobuya Miyachi | 1 |
| #4 | Sadao Takehara | 1 |
| #4 | Setsuko Miyanari | 1 |
| #4 | Shingo Kato | 1 |
| #4 | Sotaro Miyano | 1 |
| #4 | Toyohisa Fujimoto | 1 |
| #4 | Tomomi Kaminaga | 1 |
| #4 | Tohru Tanaka | 1 |
| #4 | Tomohiro Yoshinari | 1 |
| #4 | Yoshiyuki Hiraishi | 1 |
| #4 | Yoshihiro Sugawa | 1 |