Top Inventors at Hakuto Chemical Co. All Time
Showing 1–9 of 9 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Sadao Nakajima | 2 |
| 2 | Hiroyoshi Murayama | 1 |
| 2 | Hiroshi Uchiyama | 1 |
| 2 | Kohsaku Arakawa | 1 |
| 2 | Koji Yasuda | 1 |
| 2 | Saburo Tanaka | 1 |
| 2 | Yasuyuki Hirano | 1 |
| 2 | Yukinori Matsui | 1 |
| 2 | Akihiko Mizutani | 1 |