Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810923 | Vibration wave motor | Takuo Okuno, Kazuhiro Izukawa, Ichiro Okumura | 1989-03-07 |
TT
Takayuki Tsukimoto
Overall (1989): #52,121 of 140,708Top 40%
1
Patents 1989