Top Inventors at Kyokutoh Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Kotaro Nakajima | 11 |
| 2 | Kazuhiro Tezawa | 8 |
| 3 | Kotaro Nakazima | 2 |
| #4 | Hirokazu KUSANO | 1 |
| #5 | Kaneyasu Arakawa | 1 |
| #6 | Kenji Sogo | 1 |
| #7 | Matzoka Masanori | 1 |
| #8 | Seiji Ishikawa | 1 |
| #9 | Takashi Kimura | 1 |
| #10 | Takanori Niwa | 1 |
| #11 | Tezawa Kazuhiro | 1 |
| #12 | Toshimasa Yamane | 1 |
| #13 | Yoshiaki Yamane | 1 |