Top Inventors at Yasui Sangyo All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Tozaburo Tsujimura | 4 |
| 2 | Saburo Masui | 3 |
| 3 | Tamotsu Kameda | 3 |
| #4 | Takeshi Yamagishi | 3 |
| #5 | Yasunori Suzuki | 3 |
| #6 | Yukiyoshi Hihara | 3 |
| #7 | Hiroyasu Aoki | 1 |
| #8 | Kazumasa Kaneko | 1 |
| #9 | Masaki Fujikawa | 1 |
| #10 | Norimasa Sano | 1 |
| #11 | Shigetoshi Konagai | 1 |
| #12 | Tatsuo Shimura | 1 |