Top Inventors at Hitachi Koki Haramachi Co. All Time
Showing 1–9 of 9 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Shigeharu Ushiwata | 5 |
| 2 | Masayuki Sato | 3 |
| 3 | Kenji Sakai | 2 |
| 3 | Yoshio Matsumoto | 2 |
| #5 | Eisaku Oka | 1 |
| #5 | Hiromi Ozawa | 1 |
| #5 | Ryuichi Imamura | 1 |
| #5 | Shinji Takano | 1 |
| #5 | Yoshimasa Hayama | 1 |