Top Inventors at Sanshin Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Nobukazu Hosokai | 4 |
| 2 | Takayuki Adachi | 3 |
| 3 | Shunsuke Shimada | 2 |
| #4 | Takeshi Sato | 2 |
| #5 | Hidekazu Takayasu | 1 |
| #6 | Isamu Oguro | 1 |
| #7 | Jun Watanabe | 1 |
| #8 | Koji Hosokai | 1 |
| #9 | Mikio Yoshino | 1 |
| #10 | Noriyoshi Hiraoka | 1 |
| #11 | Tetsujiro Tada | 1 |