Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5109365 | Record information reproducing method with content identifiers | Yoshihiko Watanabe, Tsuneyoshi Nagashita, Susumu Niinuma, Isamu Nomura, Hiroyuki Abe +7 more | 1992-04-28 |
| 4823056 | Pulse-width modulation drive circuit | Yoshihiko Watanabe, Tsuneyoshi Nagashita, Susumi Niinuma, Isamu Nomura, Akio Namiki +7 more | 1989-04-18 |