Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885499 | Ultrasonic driven type motor | Sadayuki Ueha, Minoru Kurosawa | 1989-12-05 |
MM
Michiyuki Masuda
Overall (1989): #76,105 of 140,708Top 55%
1
Patents 1989