Top Inventors at Toyo Kohan Co. 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Kota Sadaki | 2 |
| 2 | Ayaka Takimoto | 1 |
| 3 | Daisuke MATSUSHIGE | 1 |
| #4 | Eiji Okamatsu | 1 |
| #5 | Hideyuki Minagi | 1 |
| #6 | Hiroaki Nagano | 1 |
| #7 | Hirofumi Yamano | 1 |
| #8 | Kengo Asada | 1 |
| #9 | Koh Yoshioka | 1 |
| #10 | Kunihiro Yoshimura | 1 |
| #11 | Masao Suda | 1 |
| #12 | Mitsuhide Aihara | 1 |
| #13 | Mitsuyoshi Oba | 1 |
| #14 | Munemitsu Hirotsu | 1 |
| #15 | Naomi Taguchi | 1 |
| #16 | Nobuaki Mukai | 1 |
| #17 | Ryouichi Tsunedomi | 1 |
| #18 | Satoko FUKUTOMI | 1 |
| #19 | Satoshi Mikami | 1 |
| #20 | Shoichi Hazama | 1 |
| #21 | Shuichi Kamei | 1 |
| #22 | Toshiya Tsuda | 1 |
| #23 | Wataru Kurokawa | 1 |
| #24 | Yuji Nakano | 1 |