Top Inventors at Jinichi Yamaguchi All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Tatsuzo Ishida | 6 |
| 2 | Yoshihiro Kuroki | 6 |
| 3 | Jinichi Yamaguchi | 5 |
| #4 | Junichi Yamaguchi | 1 |
| #5 | Yuichi Hattori | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Tatsuzo Ishida | 6 |
| 2 | Yoshihiro Kuroki | 6 |
| 3 | Jinichi Yamaguchi | 5 |
| #4 | Junichi Yamaguchi | 1 |
| #5 | Yuichi Hattori | 1 |