Top Inventors at Kawaguchi Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Shinichi Kawaguchi | 6 |
| 2 | Chikatoshi Yamaguchi | 1 |
| 3 | Hiroshi Kawaguchi | 1 |
| #4 | Norindo Kosaka | 1 |
| #5 | Saeko Yamamoto | 1 |
| #6 | Takashi Kawaguchi | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Shinichi Kawaguchi | 6 |
| 2 | Chikatoshi Yamaguchi | 1 |
| 3 | Hiroshi Kawaguchi | 1 |
| #4 | Norindo Kosaka | 1 |
| #5 | Saeko Yamamoto | 1 |
| #6 | Takashi Kawaguchi | 1 |