Top Inventors at Yamakawa Chemical Industry Co. All Time
Showing 1–26 of 26 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroyuki Nohira | 3 |
| 2 | Atsushi Yuzawa | 2 |
| 2 | Hisamichi Murakami | 2 |
| 2 | Hirofumi Noda | 2 |
| #5 | Hiroyuki Naka | 1 |
| #5 | Kaoru Hatahira | 1 |
| #5 | Kazushi Kinbara | 1 |
| #5 | Kazuhiko Saigo | 1 |
| #5 | Kazuhige Yamagishi | 1 |
| #5 | Ken-ichi Sakai | 1 |
| #5 | Ken'ichi Sakai | 1 |
| #5 | Manabu Sasyou | 1 |
| #5 | Masami Yajima | 1 |
| #5 | Rumiko Sakurai | 1 |
| #5 | Shigeto Negi | 1 |
| #5 | Shoko Satoh | 1 |
| #5 | Shoko Takebayashi | 1 |
| #5 | Takashi Kimura | 1 |
| #5 | Tetsuya Abe | 1 |
| #5 | Toyokazu Haga | 1 |
| #5 | Yoshiko Harada | 1 |
| #5 | Yoko Yamada | 1 |
| #5 | Yukihiko Hashimoto | 1 |
| #5 | Tadashi Tobiyama | 1 |
| #5 | Koji Ohsaka | 1 |
| #5 | Akio Kayano | 1 |