Top Inventors at Kawatetsu Mining Co. All Time
Showing 1–33 of 33 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Hidefumi Konnai | 7 |
| 2 | Yoshio Aso | 5 |
| 3 | Kan Saito | 4 |
| 3 | Yoshihito Tachi | 4 |
| #5 | Hideshi Katayama | 3 |
| #5 | Shuetsu Ogasawara | 3 |
| #5 | Yasutaka Fukuda | 3 |
| #5 | Yuuki Narita | 3 |
| #9 | Kensuke Matsuki | 2 |
| #9 | Morishige Uchida | 2 |
| #9 | Nobuyuki Sato | 2 |
| #9 | Shunroh Nagata | 2 |
| #9 | Shigeru Yatabe | 2 |
| #9 | Takao Hamada | 2 |
| #9 | Tetsuo Inoue | 2 |
| #9 | Tetsuhiko Mizoguchi | 2 |
| #9 | Yoshiaki Hamano | 2 |
| #9 | Yoshio Suzuki | 2 |
| #9 | Akira Seki | 2 |
| #20 | Fumio SUDO | 1 |
| #20 | Hideomi Koinuma | 1 |
| #20 | Kazuo Fueki | 1 |
| #20 | Kunihiko Ishizaka | 1 |
| #20 | Masashi Kawasaki | 1 |
| #20 | Mitsuyoshi Matsushita | 1 |
| #20 | Osamu Ebato | 1 |
| #20 | Shunro Nagata | 1 |
| #20 | Takero Ito | 1 |
| #20 | Tadasu Kirihara | 1 |
| #20 | Tadao Shimizu | 1 |
| #20 | Toshihiko Funahashi | 1 |
| #20 | Toshio Ogawa | 1 |
| #20 | Seki Akira | 1 |