Top Inventors at Tochigi Kaneka All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Masaharu Iwai | 3 |
| 2 | Masami Hosokawa | 2 |
| 3 | Naoshi Marutani | 2 |
| #4 | Takeshi Ida | 2 |
| #5 | Atsushi Kumasaki | 1 |
| #6 | Eiji Aoishi | 1 |
| #7 | Hiroyuki Kikuchi | 1 |
| #8 | Kazuaki Matsumoto | 1 |
| #9 | Osamu Oshima | 1 |
| #10 | Shuzo Imai | 1 |
| #11 | Shuzou Imai | 1 |
| #12 | Shingo Inase | 1 |
| #13 | Tsuyoshi Kuman | 1 |