Top Inventors at Johnan Seisakusho Co. All Time
Showing 1–17 of 17 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Kinichi Ishii | 4 |
| 2 | Hiroshi Imai | 2 |
| 2 | Yoshiharu Araki | 2 |
| #4 | Hiroshi Hasegawa | 1 |
| #4 | Hisao Ichinose | 1 |
| #4 | Hiroshi Kogawa | 1 |
| #4 | Kichizo Motoyama | 1 |
| #4 | Masayuki Kikuchi | 1 |
| #4 | Makoto Nagayama | 1 |
| #4 | Masanori Sakai | 1 |
| #4 | Minoru Shibata | 1 |
| #4 | Ryoji Fujiwara | 1 |
| #4 | Tsunetoshi Nishimaki | 1 |
| #4 | Tsuyoshi Sato | 1 |
| #4 | Yoshiji Hara | 1 |
| #4 | Yoshinori Katayama | 1 |
| #4 | Yoshimitsu Takeda | 1 |