Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5047866 | Comb filter type luminance/chrominance signal separation circuit | Katsuyuki Watanabe, Atsushi Yoshioka, Michio Masuda, Toshiro Aizawa | 1991-09-10 |
| 4858030 | Reproducing apparatus of a video disc player | Masuo Oku, Yoshimichi Kudo, Kazuo Kondo, Hisanobu Tsukazaki, Tetsuya Ikeda +2 more | 1989-08-15 |
| 4782246 | Phase shift circuit for electrical signal | Yukinari Ueki, Shuzo Matsumoto, Masanori Kamiya | 1988-11-01 |
| 4748422 | Amplifier circuit suitable for use as an active filter circuit | Shuzo Matsumoto, Yukinari Ueki, Masanori Kamiya | 1988-05-31 |
| 4612585 | Chrominance signal recording and reproducing apparatus | Osamu Takase | 1986-09-16 |
| 4607292 | Automatic phase control color signal circuit for video tape recorders operating in the NTSC or PAL systems | Noboru Kojiam, Akira Shibata, Isao Nakagawa | 1986-08-19 |
| 4586083 | Ghost reduction circuit arrangement for a television receiver | — | 1986-04-29 |
| 4554596 | Color video signal recording apparatus | Akira Shibata, Noboru Kojima | 1985-11-19 |
| 4550345 | Magnetic video pilot signal recording/reproducing system | Toshimichi Terada, Noboru Kozima, Akira Shibata | 1985-10-29 |
| 4524380 | Chroma signal recording and reproducing circuit | Akira Shibata, Keiichi Komatsu, Noboru Kojima | 1985-06-18 |
| 4476491 | Ghost reduction circuit for television receiver | Toshinori Murata, Masafumi Kazumi | 1984-10-09 |
| 4367484 | Picture-in-picture color television receiver | Hitoshi Miyagawa | 1983-01-04 |
| 4249213 | Picture-in-picture television receiver | Takuya Imaide, Michio Masuda | 1981-02-03 |
| 4205335 | Circuit arrangement for separating chrominance and luminance information in a composite video signal of an NTSC system | Isao Nakagawa, Hiroaki Nabeyama | 1980-05-27 |