Top Inventors at Kotobuki Seiyaku Co. All Time
Showing 1–23 of 23 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Tsuyoshi Tomiyama | 23 |
| 2 | Akira Tomiyama | 17 |
| 3 | Takashi Yanagisawa | 5 |
| #4 | Koichi Kubota | 4 |
| #4 | Naoto Ueyama | 4 |
| #4 | Tomoyuki Kawai | 4 |
| #7 | Masayuki Yokota | 3 |
| #7 | Motoharu Sonegawa | 3 |
| #7 | Shuuichi Wakabayashi | 3 |
| #10 | Hiromi Baba | 2 |
| #10 | Masafumi Yasunami | 2 |
| #10 | Tadashi Shirai | 2 |
| #13 | Atsushi Noda | 1 |
| #13 | Hiromi Hayashi | 1 |
| #13 | Hironao Sajiki | 1 |
| #13 | Junko Sekiguchi | 1 |
| #13 | Kahei Takase | 1 |
| #13 | Rei Koyama | 1 |
| #13 | Shuichi Wakabayshi | 1 |
| #13 | Yoshinori Kobayashi | 1 |
| #13 | Yumiko Ichikawa | 1 |
| #13 | Makoto Haketa | 1 |
| #13 | Satoko Uchibori | 1 |