Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823056 | Pulse-width modulation drive circuit | Yoshihiko Watanabe, Tsuneyoshi Nagashita, Susumi Niinuma, Isamu Nomura, Akio Namiki +7 more | 1989-04-18 |
KK
Kimito Kobayashi
Overall (1989): #87,166 of 140,708Top 65%
1
Patents 1989