Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7283174 | Video signal processing apparatus, video signal processing method and video source determining method | Toshio Sarugaku, Naoki Kaneko, Seiko Imai | 2007-10-16 |
| 5786872 | Motion detection circuit calculates difference between input video signal and one frame-period signal | Shinichirou Miyazaki | 1998-07-28 |
| 5475436 | Sampling rate converting system for converting the sampling rate of a video signal | Kazuo Watanabe, Toshio Sarugaku, Hirofumi Todo | 1995-12-12 |
| 5426470 | Luminance and chrominance signal separation circuit employing comparison of level detected signal with a reference level | Kiroyuki Kita, Toshio Sarugaku | 1995-06-20 |
| 5260786 | Non-interlace television for multi-color standards | Hiroyuki Kawashima, Hiroyuki Kita, Shuichi Obana | 1993-11-09 |
| 5227866 | Television receiver for extended definition video signal detects number of scan lines and controls signal processors | Toshio Sarugaku, Hiroyuki Kawashima, Hiroyuki Kita | 1993-07-13 |
| 5093715 | Adaptive comb filter for separating at least one component of a video signal | Hiroyuki Kita, Hidefumi Naito | 1992-03-03 |
| 5021870 | Interpolation of scan lines from video signals having interlaced scan lines | Hisafumi Motoe, Hiroyuki Kawashima | 1991-06-04 |
| 4996595 | Flicker reduction apparatus | Hidefumi Naito, Toshio Sarugaku | 1991-02-26 |
| 4985701 | Time-division bit number conversion circuit | Hisafumi Motoe, Takaya Hoshino | 1991-01-15 |
| 4972259 | Adaptive comb filter circuit including a plurality of filters and a switching means which results in improved movement detection in television signals | Hisafumi Motoe, Hiroyuki Kawashima | 1990-11-20 |
| 4941046 | Signal processing circuit for a moving detection circuit which includes coefficient generator wherein a number of delay devices are connected in series with the first one receiving the output of a moving detection circuit and including a time base filter | Hisafumi Motoe, Hiroyuki Kawashima | 1990-07-10 |
| 4862269 | Memory control apparatus | Yutaka Sonoda, Hirofumi Yuchi, Kyoichi Murakami | 1989-08-29 |
| 4673983 | Picture-in-picture television receivers | Toshio Sarugaku, Hisafumi Motoe, Masayuki Hongu | 1987-06-16 |
| 4668974 | Digital scan converter | Hiroyuki Kita, Hiroyuki Kawashima | 1987-05-26 |
| 4631589 | Dark level restoring circuit | Masayuki Hongu, Takahiko Tamura | 1986-12-23 |
| 4587554 | CRT drive control circuit | Takahiko Tamura | 1986-05-06 |
| 4370676 | Carrier regenerating circuit for a synchronous detector | Masayuki Hongu, Shigeru Omuro, Hiroyuki Kita | 1983-01-25 |
| 4322751 | Detector circuit for a television receiver | Masayuki Hongu, Shigeru Ohmuro | 1982-03-30 |
| 4283792 | Automatic fine tuning circuit | Masayuki Hongu, Shigeru Ohmuro | 1981-08-11 |
| 4275420 | Television receiver with a ghost detector | Hisafumi Yamada, Choei Kuriki | 1981-06-23 |
| 4263675 | AFT circuit | Masayuki Hongu, Shigeru Ohmuro | 1981-04-21 |
| 4261016 | Television receiver | Masayuki Hongu | 1981-04-07 |
| 4238771 | Muting circuit | Masayuki Hongu, Hiromi Kawakami, Shigeru Ohmuro | 1980-12-09 |
| 4234963 | Synchronous detector particularly adapted for a video IF signal | Masayuki Hongu, Hiromi Kawakami | 1980-11-18 |