Issued Patents All Time
Showing 126–150 of 197 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6134214 | Method for substituting defective recording of discoid recording medium and discoid recording medium recording and reproducing device | Yuji Takagi, Takahiro Nagai, Shunji Ohara, Isao Satoh | 2000-10-17 |
| 6047103 | Data transmitter, data transmitting method, data receiver, information processor, and information recording medium | Kazuhiko Yamauchi, Hiroshi Ueda, Masayuki Kozuka, Makoto Tatebayashi, Syunji Harada +1 more | 2000-04-04 |
| 6034618 | Device authentication system which allows the authentication function to be changed | Makoto Tatebayashi, Natsume Matsuzaki, Koichi Hirayama, Atsushi Ishihara | 2000-03-07 |
| 5999696 | Optical disc and reproduction device which can achieve a dynamic switching of the reproduced content | Kazuhiro Tsuga, Masayuki Kozuka, Kaoru Murase, Kazuhiko Yamauchi, Katsuhiko Miwa | 1999-12-07 |
| 5953290 | Recording medium and reproduction apparatus for displaying display data synchronously with reproduction of audio data | Hideki Fukuda, Kazuhiro Yamanishi | 1999-09-14 |
| 5923869 | Method and an apparatus for reproducing bitstream having non-sequential system clock data seamlessly therebetween | Yoshiichiro Kashiwagi, Takumi Hasebe, Kazuhiro Tsuga, Kazuhiko Nakamura, Yoshihiro Mori +5 more | 1999-07-13 |
| 5923627 | Optical disc for coordinating the use of special reproduction functions and a reproduction device for the optical disk | Katsuhiko Miwa, Masayuki Kozuka, Kazuhiro Tsuga, Kaoru Murase, Kazuhiko Yamauchi | 1999-07-13 |
| 5915067 | Multimedia optical disc facilitating branch reproduction to parental lock sections using reduced control information and a reproducing device for said disc | Tomoyuki Nonomura, Masayuki Kozuka, Kazuhiko Yamauchi, Kaoru Murase, Katsuhiko Miwa | 1999-06-22 |
| 5907658 | Multimedia optical disk, reproduction apparatus and method for achieving variable scene development based on interactive control | Kaoru Murase, Masayuki Kozuka, Kazuhiro Tsuga, Kazuhiko Yamauchi, Katsuhiko Miwa | 1999-05-25 |
| 5895124 | Optical disc and reproduction device which can achieve a dynamic switching of the reproduced content | Kazuhiro Tsuga, Masayuki Kozuka, Kaoru Murase, Kazuhiko Yamauchi, Katsuhiko Miwa | 1999-04-20 |
| 5883878 | Method of manufacturing a multilayered optical disc | Isao Satoh, Yuji Takagi, Yasushi Azumatani, Hiroshi Hamasaka | 1999-03-16 |
| 5881032 | Optical disk, and optical disk reproduction method and apparatus implementing a mathematical complementary relationship for plural layers | Motoshi Ito, Hiroshi Ueda | 1999-03-09 |
| 5870374 | Multi-layer optical disc having a pair of substrates spaced by an adhesive material | Isao Satoh, Yuji Takagi, Yasushi Azumatani, Hiroshi Hamasaka | 1999-02-09 |
| 5854873 | Method and an apparatus for encoding a bitstream with plural possible searching reproduction paths information | Yoshihiro Mori, Kazuhiro Tsuga, Takumi Hasebe, Kazuhiko Nakamura, Masayuki Kozuka +2 more | 1998-12-29 |
| 5850379 | Optical information recording medium, optical information recording method, and optical information reproducing apparatus utilizing the same | Mitsurou Moriya, Osamu Yamaguchi, Namio Hirose | 1998-12-15 |
| 5798995 | Information recording medium and apparatus and method for recording and reproducing information | Masahiro Inagaki, Yasushi Azumatani, Hiroshi Hamasaka | 1998-08-25 |
| 5790569 | Method and apparatus for generating, recording and transmitting an error product code block having an improved check code arrangement | Tadashi Kojima, Koichi Hirayama, Takashi Yumiba | 1998-08-04 |
| 5790487 | Optical information recording medium, optical information recording method, and optical information reproducing apparatus utilizing the same | Mitsurou Moriya, Osamu Yamaguchi, Namio Hirose | 1998-08-04 |
| 5784528 | Method and an apparatus for interleaving bitstream to record thereof on a recording medium, and reproducing the interleaved bitstream therefrom | Yasuhiko Yamane, Takumi Hasebe, Kazuhiro Tsuga, Yoshihiro Mori, Kazuhiko Nakamura +3 more | 1998-07-21 |
| 5764620 | Multi-layered optical disk with shifted track and layer identification and method of detecting a track | Isao Satoh, Yuji Takagi, Yasushi Azumatani, Hiroshi Hamasaka | 1998-06-09 |
| 5734788 | Multimedia optical disc which can preserve the freshness of stored data, a reproduction apparatus for reproducing such optical disc and a reproduction method | Tomoyuki Nonomura, Masayuki Kozuka, Kazuhiko Yamauchi, Kaoru Murase, Katsuhiko Miwa | 1998-03-31 |
| 5694387 | Optical medium having a data pattern for detecting an upside-down insertion, and reproducing apparatus for use therewith | Yasuhiro Gotoh, Michiyoshi Nagashima | 1997-12-02 |
| 5691972 | Multimedia optical disc which conforms to the motion picture rating systems in a variety of countries and a reproducing device for said disc | Kazuhiro Tsuga, Masayuki Kozuka, Hideki Mimura, Takeshi Hagio | 1997-11-25 |
| 5642338 | Information recording medium and apparatus and method for recording and reproducing information | Masahiro Inagaki, Yasushi Azumatani, Hiroshi Hamasaka | 1997-06-24 |
| 5596564 | Information recording medium and apparatus and method for recording and reproducing information | Masahiro Inagaki, Yasushi Azumatani, Hiroshi Hamasaka | 1997-01-21 |