Top Inventors at Tokiwa Chemical Industries Co. All Time
Showing 1–13 of 13 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Katsuhisa Kato | 15 |
| 1 | Naohisa Miyakawa | 15 |
| 3 | Minoru Masuzawa | 3 |
| 3 | Takashi Hirokawa | 3 |
| #5 | Fumiaki Suzuki | 2 |
| #5 | Kazuo Murakami | 2 |
| #5 | Tadanobu Nakai | 2 |
| #5 | Yuichi Ishida | 2 |
| #5 | Yukio Nakamura | 2 |
| #10 | Katuhisa Kato | 1 |
| #10 | Yasuhiko Hatano | 1 |
| #10 | Syosuke Seto | 1 |
| #10 | Siyosuke Seto | 1 |