Top Inventors at Tokiwa Phytochemical Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Jinwei Yang | 3 |
| 2 | Tsutomu Sasaki | 2 |
| 3 | Chihiro Mori | 1 |
| #4 | Hiromitsu Takayama | 1 |
| #5 | Mariko Kitajima | 1 |
| #6 | Masao Takahashi | 1 |
| #7 | Naoaki Yoshida | 1 |
| #8 | Nobuhito Kimura | 1 |
| #9 | Sansei Nishibe | 1 |
| #10 | Shujiro Seo | 1 |
| #11 | Tomoko Ishizuka | 1 |
| #12 | Tomoko KUNIYOSHI | 1 |
| #13 | Tsutomu Ishikawa | 1 |
| #14 | Tsutomu Shimada | 1 |
| #15 | Veronika Butterweck | 1 |
| #16 | Yuka Koike | 1 |
| #17 | Jin Tatsuzaki | 1 |