Top Inventors at Tokan Material Technology Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Hirohisa Masuda | 2 |
| 2 | Hisashi Kamatani | 1 |
| 3 | Hiroshi Shimomura | 1 |
| #4 | Kenji Hayashi | 1 |
| #5 | Koji Yamada | 1 |
| #6 | Naoko Harada | 1 |
| #7 | Seiichi Kadooka | 1 |
| #8 | Shuzo Mihara | 1 |
| #9 | Shigeru Suzuki | 1 |
| #10 | Tatsuo Matoda | 1 |
| #11 | Taketo Shinchi | 1 |
| #12 | Yukiko Saito | 1 |
| #13 | Akira Ishiko | 1 |