Top Inventors at Kumahira Safe Co. All Time
Showing 1–15 of 15 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroshi Masachika | 3 |
| 2 | Eiro Naruto | 2 |
| 2 | Kazuo Nakaue | 2 |
| 2 | Makoto Nishikawa | 2 |
| #5 | Hiroaki Tomoda | 1 |
| #5 | Kazuyuki Oki | 1 |
| #5 | Kouichi Hirano | 1 |
| #5 | Larry S. Gullman | 1 |
| #5 | Masao Hashizume | 1 |
| #5 | Manabu Kawahara | 1 |
| #5 | Minoru Tanaka | 1 |
| #5 | Takaaki Hamada | 1 |
| #5 | Takeo Inada | 1 |
| #5 | Yohji Kobayakawa | 1 |
| #5 | Akira Nishikawa | 1 |