Issued Patents All Time
Showing 51–75 of 95 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5936925 | Information record medium, apparatus for recording the same and apparatus for reproducing the same | Kyota Funamoto, Takao Sawabe, Ryuichiro Yoshimura, Yoshiaki Moriyama, Kaoru Yamamoto +1 more | 1999-08-10 |
| 5933569 | Information recording medium apparatus for recording the same and apparatus for reproducing the same | Takao Sawabe, Ryuichiro Yoshimura, Yoshiaki Moriyama, Kaoru Yamamoto, Akihiro Tozaki | 1999-08-03 |
| 5889746 | Information recording medium, apparatus for recording the same and apparatus for reproducing the same | Yoshiaki Moriyama, Takao Sawabe, Ryuichiro Yoshimura, Kaoru Yamamoto, Akihiro Tozaki +4 more | 1999-03-30 |
| 5805537 | Information record medium, apparatus for recording the same and apparatus for reproducing the same | Kaoru Yamamoto, Tokihiro Takahashi, Hidehiro Ishii, Hiroshi Nakamura, Tadashi Noguchi +1 more | 1998-09-08 |
| 5787222 | Information recording apparatus and information reproducing apparatus | Akihiro Tozaki, Hiroshi Nakamura | 1998-07-28 |
| 5742569 | Information record medium, apparatus for recording the same and apparatus for reproducing the same | Kaoru Yamamoto, Hirohide Kobori, Takao Sawabe, Ryuichiro Yoshimura, Yoshiaki Moriyama +1 more | 1998-04-21 |
| 5729516 | Information recording medium, apparatus for recording the same and apparatus for reproducing the same | Akihiro Tozaki, Takao Sawabe, Ryuichiro Yoshimura, Yoshiaki Moriyama, Kaoru Yamamoto | 1998-03-17 |
| 5446714 | Disc changer and player that reads and stores program data of all discs prior to reproduction and method of reproducing music on the same | Yukio Taniai, Munetoshi Moriichi | 1995-08-29 |
| 5341353 | Actuator position detector, actuator position controller and track search controller | Yoshitaka Shimoda | 1994-08-23 |
| 5282186 | Method and apparatus for recording and reproducing picture information and recording medium | Sumio Hosaka, Hisao Matsuoka, Youichirou Tsuda, Shoichi Katagiri, Satoru Nomura | 1994-01-25 |
| 5235584 | Apparatus for detecting a position of a light spot on an optical disc | Sinichi Nagahara | 1993-08-10 |
| 5216652 | Light spot position detector | Yoshitaka Shimoda | 1993-06-01 |
| 5159670 | Disc data display unit | Masami Suzuki, Koji Yamagishi | 1992-10-27 |
| 5157396 | D/A conversion apparatus | — | 1992-10-20 |
| 5130966 | Method of recording and reproducing picture information, recording medium, and recording medium playing apparatus | Masami Suzuki | 1992-07-14 |
| 5130816 | Method and apparatus for recording and reproducing information including plural channel audio signals | — | 1992-07-14 |
| 5105412 | Recording medium playing apparatus for correcting audio signals using an appropriate sound field | — | 1992-04-14 |
| 5097459 | Disc playing apparatus to which digital data is transmitted at a predetermined transmission rate | — | 1992-03-17 |
| 5067119 | Recording medium playing apparatus with automatic tonal response setting function | Masayuki Yoshida, Osamu Watanabe | 1991-11-19 |
| 5065252 | Method and apparatus for recording and reproducing picture information enabling the mixing of images of a video format signal and graphic codes recorded on a single recording medium | Sumio Hosaka, Hisao Matsuoka, Youichirou Tsuda, Shoichi Katagiri, Satoru Nomura | 1991-11-12 |
| 5063551 | Method and apparatus of recording and reproducing picture information and recording medium | Sumio Hosaka, Hisao Matsuoka, Youichirou Tsuda, Shoichi Katagiri, Satoru Nomura | 1991-11-05 |
| 5043826 | Method and apparatus for recording and reproducing picture information and timely reproducing images by graphic codes | Sumio Hosaka, Hisao Matsuoka, Youichirou Tsuda, Shoichi Katagiri, Satoru Nomura | 1991-08-27 |
| 5016113 | Apparatus for reproducing and processing picture information including graphic codes from a recording medium | Masayasu Yamashita, Masami Suzuki, Osamu Watanabe | 1991-05-14 |
| 5012242 | Input data processor for D/A converter utilizing dithering | Masami Suzuki | 1991-04-30 |
| 5010417 | Playback method for use in a recording medium playing apparatus using information control signals | Sumio Hosaka, Hisao Matsuoka, Youichirou Tsuda, Shoichi Katagiri, Satoru Nomura | 1991-04-23 |