Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820963 | Driving device for step motor | Satoshi Yoshimoto | 1989-04-11 |
NK
Norio Kobayashi
Overall (1989): #72,891 of 140,708Top 55%
1
Patents 1989