Top Inventors at Ntk Cutting Tools Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Hidetoshi Fujii | 2 |
| 2 | Hiroki Takeuchi | 2 |
| 3 | Yoshiaki Morisada | 2 |
| #4 | Yusuke Katsu | 2 |
| #5 | Eiji Shamoto | 1 |
| #6 | Jun Moteki | 1 |
| #7 | Masashi Hirose | 1 |
| #8 | Ryoji Toyoda | 1 |
| #9 | Takuya Furuhashi | 1 |
| #10 | Tatsuya TODA | 1 |
| #11 | Takashi Ueda | 1 |
| #12 | Yasushi Hara | 1 |
| #13 | Yuki TAKEUCHI | 1 |