Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821112 | Detection circuit for detecting standard television signals and nonstandard television signals | Ikuya Arai, Toshiyuki Kurita, Toshinori Murata, Isao Nakagawa, Masahiko Achiha +1 more | 1989-04-11 |