Top Inventors at Kousokuya All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Toshio Shinjo | 5 |
| 2 | Mitsuhiro Kokubun | 4 |
| 3 | Hidetoshi Fujimoto | 2 |
| #4 | Kaoru Shibata | 2 |
| #5 | Takayuki Suzuki | 2 |
| #6 | Akio Samizu | 2 |
| #7 | Takamitsu Suzuki | 1 |
| #8 | Takayuki Watanabe | 1 |
| #9 | Toshio Nomura | 1 |
| #10 | Yasutaka Atarashi | 1 |