Top Inventors at Nikkato All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroshi Onishi | 3 |
| 2 | Toshio Kawanami | 3 |
| 3 | Hiroshi Ikeda | 2 |
| #4 | Hiroyuki Matsuyama | 2 |
| #5 | Hideki Ono | 2 |
| #6 | Hiroki Takimoto | 2 |
| #7 | Hiroshi Uemura | 2 |
| #8 | Kenji Yamada | 2 |
| #9 | Hiroyoshi Kawase | 1 |
| #10 | Hiroyuki Matsumura | 1 |
| #11 | Hiroshi Ohnishi | 1 |
| #12 | Masayoshi Nakamura | 1 |
| #13 | Masanori Nakatani | 1 |
| #14 | Michiyuki Aimoto | 1 |
| #15 | Michiharu Ogai | 1 |
| #16 | Miyuki Sakuta | 1 |
| #17 | Shougo Kodama | 1 |
| #18 | Takeshi Abe | 1 |
| #19 | Toshihiko Arakawa | 1 |