Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821112 | Detection circuit for detecting standard television signals and nonstandard television signals | Toshiyuki Sakamoto, Ikuya Arai, Toshiyuki Kurita, Toshinori Murata, Masahiko Achiha +1 more | 1989-04-11 |
| 4794454 | Movement detection circuit of a video signal used in a television receiver | Masato Sugiyama, Kenji Katsumata, Shigeru Hirahata, Sunao Suzuki, Masahiko Achiha +1 more | 1988-12-27 |
| 4788141 | Automatic analyzer for guanase activity | Seiichiro Yamasaki, Setsuro Fujii, Nobumoto Chikazawa, Toshiharu Muraoka | 1988-11-29 |
| 4775888 | Motion detector for chrominance signal in TV receiver | Masahiko Achiha, Masato Sugiyama, Kenji Katsumata, Toshinori Murata, Shigeru Hirahata +1 more | 1988-10-04 |
| 4754322 | YC-signal separation circuit responsive to magnitude of vertical correlation | Akihide Okuda, Masato Sugiyama, Kenji Katsumata | 1988-06-28 |
| 4739390 | Television signal processing circuit | Masahiko Achiha, Kazuo Ishikura, Shobu Saito | 1988-04-19 |
| 4736252 | Motion detector for chrominance signal in TV receiver | Masahiko Achiha, Masato Sugiyama, Kenji Katsumata, Toshinori Murata, Shigeru Hirahata +1 more | 1988-04-05 |
| 4733300 | Contour signal correction circuit for television receiver | Masato Sugiyama, Shigeru Hirahata, Kenji Katsumata, Sunao Suzuki | 1988-03-22 |
| 4733297 | Video signal processing circuit of motion adaptive type | Kenji Katsumata, Masato Sugiyama, Akihide Okuda, Shigeru Hirahata, Sunao Suzuki | 1988-03-22 |
| 4707732 | Separating circuit of luminance and chrominance signals for TV receiver selecting between three three line comb filters | Takaaki Matono, Toshinori Murata, Toshiyuki Kurita | 1987-11-17 |
| 4634995 | Electronic circuitry utilizing an inerted Darlington amplifier output stage to be operable with a low supply voltage | Akihiro Yamamoto, Koichi Hirose, Yoshinori Okada, Mitsuru Kudo | 1987-01-06 |
| 4607292 | Automatic phase control color signal circuit for video tape recorders operating in the NTSC or PAL systems | Noboru Kojiam, Tomomitsu Kuroyanagi, Akira Shibata | 1986-08-19 |
| 4456885 | Filter circuit suitable for being fabricated into integrated circuit | Kazuo Kondo, Mitsuru Kudo | 1984-06-26 |
| 4405937 | Chrominance signal reproducing apparatus | Mitsuru Kudo | 1983-09-20 |
| 4291335 | Vertical synchronizing signal detector | Norio Minami | 1981-09-22 |
| 4242602 | Phase comparator circuit with gated isolation circuit | Keiichi Mizutani | 1980-12-30 |
| 4205335 | Circuit arrangement for separating chrominance and luminance information in a composite video signal of an NTSC system | Hiroaki Nabeyama, Tomomitsu Kuroyanagi | 1980-05-27 |