Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801830 | Brushless motor | Shigeru Ogino, Tatsuzo Ushiro | 1989-01-31 |
NH
Noritsugu Hirata
Overall (1989): #73,076 of 140,708Top 55%
1
Patents 1989