Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797637 | PLL frequency synthesizer | Koyo Kegasa, Takafumi Murai, Takeshi Fujii | 1989-01-10 |
OY
Osamu Yamanaka
Overall (1989): #71,805 of 140,708Top 55%
1
Patents 1989