Top Inventors at Copal Company Limited 1989
Showing 1–13 of 13 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Yoshio Muto | 1 |
| 1 | Teiichi Shimane | 1 |
| 1 | Haruki Ooe | 1 |
| 1 | Koji Asako | 1 |
| 1 | Kouichi Kobayashi | 1 |
| 1 | Mitsuo Takahashi | 1 |
| 1 | Norifumi Nakagawa | 1 |
| 1 | Takashi Kimura | 1 |
| 1 | Toshinori Hijiya | 1 |
| 1 | Tomoo Nagaoka | 1 |
| 1 | Hiroshi Takano | 1 |
| 1 | Junichi Matsumoto | 1 |
| 1 | Katumi Saitou | 1 |