Top Inventors at Kongo All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Toshihiro Higashi | 7 |
| 2 | Tomoyuki Kawano | 7 |
| 3 | Ichiro Ikenaga | 4 |
| #4 | Kazuya Tokunaga | 4 |
| #5 | Genshi Taniwaki | 3 |
| #6 | Kunio Miyazaki | 3 |
| #7 | Hiroaki Koba | 2 |
| #8 | Hitoshi Shibuya | 1 |
| #9 | Kazuya Noguchi | 1 |
| #10 | Masanori Funayama | 1 |
| #11 | Okitsugu Furuya | 1 |
| #12 | Satoru Yoshimitsu | 1 |
| #13 | Toyohiko Tsuchida | 1 |
| #14 | Yutaka Ueno | 1 |
| #15 | Akira Matsuoka | 1 |
| #16 | Akira Matsuzaka | 1 |