Top Inventors at Hakusan Seisakusho Co. All Time
Showing 1–14 of 14 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Hirotsugu Oishibashi | 5 |
| 1 | Muneyuki Ohara | 5 |
| 3 | Katsuyoshi Ueyama | 4 |
| 3 | Mitsuo Nakamura | 4 |
| #5 | Kenzo Hagiwara | 2 |
| #5 | Takayoshi Amano | 2 |
| #5 | Tadashi Takimoto | 2 |
| #8 | Hisashi Yoshida | 1 |
| #8 | Keiichi Aoki | 1 |
| #8 | Kimio Shimizu | 1 |
| #8 | Kunio Kitagawa | 1 |
| #8 | Shigeru Sasaki | 1 |
| #8 | Takeo Aichi | 1 |
| #8 | Akio Kobayashi | 1 |