Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885520 | Induction motor controller | Shinzo Tamai | 1989-12-05 |
HS
Hidehiko Sugimoto
Overall (1989): #104,074 of 140,708Top 75%
1
Patents 1989