Top Inventors at Kuken Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Akinori Nakamura | 3 |
| 2 | Ryoichi Shibata | 2 |
| 3 | Tatsuya Amami | 2 |
| #4 | Masaru Mizuhara | 1 |
| #5 | Masari Muramatsu | 1 |
| #6 | Masakazu Yamada | 1 |
| #7 | Naotake Tanaka | 1 |
| #8 | Takashi Kobayashi | 1 |
| #9 | Yoshihiko Nagare | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Akinori Nakamura | 3 |
| 2 | Ryoichi Shibata | 2 |
| 3 | Tatsuya Amami | 2 |
| #4 | Masaru Mizuhara | 1 |
| #5 | Masari Muramatsu | 1 |
| #6 | Masakazu Yamada | 1 |
| #7 | Naotake Tanaka | 1 |
| #8 | Takashi Kobayashi | 1 |
| #9 | Yoshihiko Nagare | 1 |