Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6364621 | Method of and apparatus for controlling vacuum pump | — | 2002-04-02 |
| 6356703 | Optical disc for coordinating a variable reproduction of video images | Tomoyuki Nonomura, Masayuki Kozuka, Yoshihisa Fukushima, Kaoru Murase, Katsuhiko Miwa | 2002-03-12 |
| 6356707 | Multimedia optical disk, reproduction apparatus and method for achieving variable scene development based on interactive control | Kaoru Murase, Masayuki Kozuka, Kazuhiro Tsuga, Yoshihisa Fukushima, Katsuhiko Miwa | 2002-03-12 |
| 6336002 | Optical disc storing both video titles provided with AV functions and video titles with no such functions which can instantly distinguish between such kinds of titles, and a reproduction apparatus and reproduction method for such disc | Shinichi Saeki, Katsuhiko Miwa, Masayuki Kozuka, Kaoru Murase | 2002-01-01 |
| 6285823 | Machine-readable data medium having interactive reproduction procedures with menu restoration after branching, a reproduction apparatus and method of restoring a menu | Shinichi Saeki, Kazuhiro Tsuga, Masayuki Kozuka, Kaoru Murase | 2001-09-04 |
| 6229952 | Optical disc, reproduction device and method for coordinating a variable reproduction of video images | Tomoyuki Nonomura, Masayuki Kozuka, Yoshihisa Fukushima, Kaoru Murase, Katsuhiko Miwa | 2001-05-08 |
| 6226446 | Machine readable recording medium, reproduction apparatus and method for controlling selection of menu items within a video object | Kaoru Murase, Masayuki Kozuka, Kazuhiro Tsuga, Yoshihisa Fukushima, Katsuhiko Miwa | 2001-05-01 |
| 6222805 | Optical disk, reproduction apparatus, and reproduction method | Yoshihiro Mori, Masayuki Kozuka | 2001-04-24 |
| 6219488 | Optical disk, reproduction apparatus, and reproduction method | Yoshihiro Mori, Masayuki Kozuka | 2001-04-17 |
| 6208802 | Optical disk, reproduction apparatus, and reproduction method | Yoshihiro Mori, Masayuki Kozuka | 2001-03-27 |
| 6201928 | Reproduction device and method for coordinating a variable reproduction of video images | Tomoyuki Nonomura, Masayuki Kozuka, Yoshihisa Fukushima, Kaoru Murase, Katsuhiko Miwa | 2001-03-13 |
| 6185365 | Multimedia optical disk, reproduction apparatus and method for achieving variable scene development based on interactive control | Kaoru Murase, Masayuki Kozuka, Kazuhiro Tsuga, Yoshihisa Fukushima, Katsuhiko Miwa | 2001-02-06 |
| 6181871 | Machine-readable data medium having interactive reproduction procedures with prohibition information, a reproduction apparatus and method of interacting | Shinichi Saeki, Kazuhiro Tsuga, Masayuki Kozuka, Kaoru Murase | 2001-01-30 |
| 6088507 | Multimedia optical disc for storing audio data and sub-picture data in a plurality of channels as well as moving picture data and apparatus and method for reproducing the multimedia optical disc | Masayuki Kozuka, Kazuhiro Tsuga, Kaoru Murase, Shinichi Saeki, Katsuhiko Miwa | 2000-07-11 |
| 6067400 | Multimedia optical disc having improved interactive reproduction procedure, a reproduction apparatus and a method for such a disc | Shinichi Saeki, Kazuhiro Tsuga, Masayuki Kozuka, Kaoru Murase | 2000-05-23 |
| 6047103 | Data transmitter, data transmitting method, data receiver, information processor, and information recording medium | Hiroshi Ueda, Masayuki Kozuka, Yoshihisa Fukushima, Makoto Tatebayashi, Syunji Harada +1 more | 2000-04-04 |
| 6044157 | Microprocessor suitable for reproducing AV data while protecting the AV data from illegal copy and image information processing system using the microprocessor | Yasushi Uesaka, Masayuki Kozuka, Nobuo Higaki, Koichi Horiuchi, Syusuke Haruna | 2000-03-28 |
| 6028937 | Communication device which performs two-way encryption authentication in challenge response format | Makoto Tatebayashi, Natsume Matsuzaki, Syunji Harada, Motoji Omori, Masayuki Kozuka | 2000-02-22 |
| 5999696 | Optical disc and reproduction device which can achieve a dynamic switching of the reproduced content | Kazuhiro Tsuga, Masayuki Kozuka, Kaoru Murase, Yoshihisa Fukushima, Katsuhiko Miwa | 1999-12-07 |
| 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, Yoshihisa Fukushima | 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, Yoshihisa Fukushima, 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, Yoshihisa Fukushima, Katsuhiko Miwa | 1999-05-25 |
| 5907659 | Optical disc for which a sub-picture can be favorably superimposed on a main image, and a disc reproduction apparatus and a disc reproduction method for the disc | Kaoru Murase, Masayuki Kozuka, Shinichi Saeki, 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, Yoshihisa Fukushima, Katsuhiko Miwa | 1999-04-20 |
| 5771334 | Multimedia optical disc storing both video titles provided with AV functions and video titles with no such functions which can instantly distinguish between such kinds of titles, and a reproduction apparatus and reproduction method for such disc | Shinichi Saeki, Katsuhiko Miwa, Masayuki Kozuka, Kaoru Murase | 1998-06-23 |