Top Inventors at Sanko Gosei All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Mitsuo Yasuda | 12 |
| 2 | Yoshiharu Nakashima | 5 |
| 3 | Yusuke Ishikuro | 5 |
| #4 | Hiroki Nunose | 3 |
| #5 | Maki Kobayashi | 3 |
| #6 | Ryoichi Katagishi | 3 |
| #7 | Shozo Honda | 3 |
| #8 | Toshio Mitsushima | 3 |
| #9 | Atsushi Kaneko | 2 |
| #10 | Hideyuki Aoki | 2 |
| #11 | Hiroshi Mizoguchi | 1 |
| #12 | Hiroshi Yokouchi | 1 |
| #13 | Katsumi Murase | 1 |
| #14 | Keisuke Moritani | 1 |
| #15 | Koji Korechika | 1 |
| #16 | Masao Kataoka | 1 |
| #17 | Motonori Chikazawa | 1 |
| #18 | Tadaaki Sekino | 1 |
| #19 | Taiki Watanabe | 1 |
| #20 | Yusuke Ishiguro | 1 |
| #21 | Yukio Kurachi | 1 |
| #22 | Kiyotaka Shimajiri | 1 |
| #23 | Kohichi Kakinaka | 1 |