Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889468 | Submerged type pump | — | 1989-12-26 |
| 4853765 | Sequential scanning converter with frame comb filter and freeze frame feature | Kenji Katsumata, Masato Sugiyama, Takaaki Matono, Shigeru Hirahata, Isao Nakagawa +1 more | 1989-08-01 |
| 4821112 | Detection circuit for detecting standard television signals and nonstandard television signals | Toshiyuki Sakamoto, Ikuya Arai, Toshiyuki Kurita, Toshinori Murata, Isao Nakagawa +1 more | 1989-04-11 |
| 4811092 | Movement detector for composite color television signals | Masahiko Achiha, Shobu Saito, Masato Sugiyama, Kenji Katsumata | 1989-03-07 |