Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8249424 | Information recording medium in which groove tracks are wobbled by frequency 2n times wobble frequency of standard | Akira Shimizu, Masayoshi Yoshida, Tsuyoshi Hasebe, Masahiro Kato, Shoji Taniguchi +1 more | 2012-08-21 |
| 8184954 | Information recording medium in which one land pre-pit is formed in each group unit of wobbles formed by each “N” cycles of wobbles | Akira Shimizu, Masayoshi Yoshida, Tsuyoshi Hasebe, Masahiro Kato, Shoji Taniguchi +1 more | 2012-05-22 |
| 8023383 | Recording device, recording method, and computer program | Masahiro Kato, Masahiro Miura, Tohru Kanegae | 2011-09-20 |
| 7957245 | Recording medium, recording method, and computer program | Kyusho Omori, Masahiro Kato, Masahiro Miura, Tohru Kanegae | 2011-06-07 |
| 7948859 | Information recording medium, information recording device and method, information reproducing device and method, information recording/reproducing device and recording method, and computer program | Masahiro Miura, Tsuyoshi Hasebe, Masahiro Kato, Eiji Muramatsu, Shoji Taniguchi | 2011-05-24 |
| 7903514 | Information reproduction device | Masahiro Kato, Masahiro Miura, Tohru Kanegae, Kyusho Omori, Tatsuhiro Yone | 2011-03-08 |
| 7889604 | Information recording medium, apparatus, and method, using dummy data in dummy data recording area | Masahiro Kato, Tohru Kanegae, Kyusho Omori, Tatsuhiro Yone, Masahiro Miura | 2011-02-15 |
| 7885162 | Information recording device and method, and recording control computer program | Masahiro Kato, Akira Shirota, Masahiro Miura, Tohru Kanegae, Shoji Taniguchi +1 more | 2011-02-08 |
| 7885157 | Information recording medium, apparatus, and method using management information identifying whether or not embossed pits are formed in a predetermined recording area | Masahiro Kato, Eiji Muramatsu, Shoji Taniguchi | 2011-02-08 |
| 7817523 | Recording medium, recording apparatus and recording method, and computer program | Masahiro Miura, Masahiro Kato, Tohru Kanegae | 2010-10-19 |
| 7760589 | Information recording apparatus and method, and computer program for recording control | Masahiro Kato, Akira Shirota, Masahiro Miura, Tohru Kanegae, Shoji Taniguchi +1 more | 2010-07-20 |
| 7702212 | Information recording apparatus with memory control structure | Yuji Shimizu, Takashi Irisawa, Takahiro Horiuchi | 2010-04-20 |
| 7697390 | Efficient recording of information on an information recording medium having a plurality of layers | Tohru Kanegae, Masahiro Kato, Masahiro Miura, Shoji Taniguchi | 2010-04-13 |
| 7586625 | Position verifying apparatus and method, position measuring apparatus and method, and computer program for position verification or position measurement | Tohru Kanegae, Masatsugu Ogawa, Masahiro Kato, Masahiro Miura | 2009-09-08 |
| 7196983 | Information recording apparatus and information recording method | Masanori Nakahara, Takao Sawabe | 2007-03-27 |
| 6892024 | Information recording apparatus | Yuji Shimizu, Takashi Irisawa, Takahiro Horiuchi | 2005-05-10 |
| 6850690 | Information recording apparatus, information recording and reproducing apparatus and record medium | Tadashi Noguchi, Jiro Endo, Eiji Muramatsu, Shinji Suzuki | 2005-02-01 |
| 6724703 | Information recording apparatus and information recording method | Masanori Nakahara, Takao Sawabe | 2004-04-20 |
| 6480448 | Disc player | Yoshitaka Shimoda, Hidehiro Ishii, Eiji Muramatsu, Masahiro Kato, Kunihiko Horikawa | 2002-11-12 |
| 5550799 | Device for and method of calibrating optimum recording power for recordable optical disc recording apparatus | Akiyoshi Inoue, Shoji Taniguchi, Naoharu Yanagawa, Hiroshi Suzuki | 1996-08-27 |
| 5257253 | Laser vision disc with digital sound (LDD) disc player for reproducing analog audio signals mixed with digital audio signals | Hiroshi Otsubo, Seiji Ohmori, Tasuku Tsuruga, Takeshi Mawatari, Tetsuo Shimizu | 1993-10-26 |
| 5177728 | Disc player for playing different types of discs which automatically identifies the type of a currently loaded disc | Hiroshi Otsubo, Seiji Ohmori, Tasuku Tsuruga, Takeshi Mawatari | 1993-01-05 |
| 5051976 | Disk recording and reproducing apparatus with speed compensation for CAV and CLV disks in accordance with signals recorded on the disks | Masahiro Nakajima | 1991-09-24 |
| 5033036 | Reproducing apparatus including means for gradually varying a mixing ratio of first and second channel signal in accordance with a voice signal | Seiji Ohmori, Tasuku Tsuruga, Takeshi Mawatari, Hiroshi Ohtsubo | 1991-07-16 |