Issued Patents All Time
Showing 51–75 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5594552 | Apparatus and method for producing downwards compatible video signals with increased vertical resolution, and apparatus for reproducing and displaying same | Yasushi Fujinami | 1997-01-14 |
| 5592450 | Method for reproducing compressed information data from a disk using a spatial frequency less than the track pitch | Ryuichi Iwamura, Shunji Yoshimura, Makoto Kawamura | 1997-01-07 |
| 5574504 | Methods and systems for encoding and decoding picture signals and related picture-signal recording media | Yoichi Yagasaki | 1996-11-12 |
| 5543932 | Digital video signal recording apparatus and digital video signal reproducing apparatus | Ching-Fang Chang, Naofumi Yanagihara, Katsumi Tahara, Yoichi Yagasaki, Teruhiko Suzuki | 1996-08-06 |
| 5543843 | Communication jack nose cleaning tool | Motoki Kato, Yoichi Yagasaki | 1996-08-06 |
| 5510840 | Methods and devices for encoding and decoding frame signals and recording medium therefor | Yoichi Yagasaki | 1996-04-23 |
| 5510902 | Apparatus and method for producing downwards compatible video signals with increased vertical resolution, and apparatus for reproducing and displaying same | Yasushi Fujinami | 1996-04-23 |
| 5504530 | Apparatus and method for coding and decoding image signals | Nobuhisa Obikane, Katsumi Tahara, Yoichi Yagasaki, Teruhiko Suzuki | 1996-04-02 |
| 5485279 | Methods and systems for encoding and decoding picture signals and related picture-signal records | Katsumi Tahara, Teruhiko Suzuki | 1996-01-16 |
| 5485280 | Apparatus and method for producing downwards compatible video signals with increased vertical resolution, and apparatus for reproducing and displaying same | Yasushi Fujinami | 1996-01-16 |
| 5475435 | Layer encoding apparatus and layer decoding apparatus for input non-interlace video signal | Katsumi Tahara, Tomoyuki Sato | 1995-12-12 |
| 5471450 | Digital data reproducing apparatus and method employing buffer memories for error compensation and accomodating differences in reproduction and processing rates | Hideki Koyanagi, Yoshiyuki Akiyama | 1995-11-28 |
| 5461420 | Apparatus for coding and decoding a digital video signal derived from a motion picture film source | Teruhiko Suzuki, Yoichi Yagasaki | 1995-10-24 |
| 5428396 | Variable length coding/decoding method for motion vectors | Yoichi Yagasaki, Mark Veltman, Katsuji Igarashi, Motoki Kato | 1995-06-27 |
| 5410350 | Motion picture encoding and/or decoding system | Motoki Kato, Yoichi Yagasaki | 1995-04-25 |
| 5321508 | Video image data recording apparatus | Mark Veltman | 1994-06-14 |
| 5298991 | Variable length coding apparatus and method for motion vector | Yoichi Yagasaki, Veltman Mark, Kaisuji Igarashi | 1994-03-29 |
| 5191436 | Method for recording coded motion picture data | — | 1993-03-02 |
| 5155593 | Video signal coding method | Barry D. Andrews | 1992-10-13 |
| 5140437 | Recording/reproducing compressed data on a rotatable record medium in which at least one intraframe code signal and at least (n-1) interframe code signals are recorded in each track | Yoichi Yagasaki | 1992-08-18 |
| 5136376 | Method of coding video signals and transmission system thereof | Yoichi Yagasaki | 1992-08-04 |
| 5132792 | Video signal transmitting system | Yoichi Yagasaki, Katsuji Igarashi, Mark Veltman | 1992-07-21 |
| 5126842 | Video signal encoding method with a substantially constant amount of transform data per transmission unit block | Barry D. Andrews, Yoichi Yagasaki | 1992-06-30 |
| 5040061 | Method and apparatus for transmitting a compressed picture signal by using different encoding techniques for portions of each frame | — | 1991-08-13 |
| 4533937 | Key signal generating apparatus for digital chromakey system | Kaichi Yamamoto | 1985-08-06 |