Top Inventors at Hagiwara Research All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Zenji Hagiwara | 8 |
| 2 | Masao Okubo | 3 |
| 3 | Hiroshi Yamazaki | 1 |
| #4 | Kazuo Kishimoto | 1 |
| #5 | Satoshi Ando | 1 |
| #6 | Saburo Nohara | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Zenji Hagiwara | 8 |
| 2 | Masao Okubo | 3 |
| 3 | Hiroshi Yamazaki | 1 |
| #4 | Kazuo Kishimoto | 1 |
| #5 | Satoshi Ando | 1 |
| #6 | Saburo Nohara | 1 |