Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11335371 | Reproduction apparatus and reproduction method | Koji Sekiguchi, Kenji Yamamoto, Kotaro Kurokawa | 2022-05-17 |
| 10410667 | High density optical disk processing apparatus, method, and computer-readable medium | Kimihiro Saito | 2019-09-10 |
| 10339967 | Reproducing apparatus and reproducing method | Kimihiro Saito, Koji Sekiguchi, Kotaro Kurokawa | 2019-07-02 |
| 9966098 | Optical information recording medium and optical information recording medium reproducing device | Satoru Higashino | 2018-05-08 |
| 9764356 | Acceleration sensation presentation apparatus, acceleration sensation presentation method, and acceleration sensation presentation system | Satoru Higashino, Akira Suzuki, Naofumi Goto | 2017-09-19 |
| 9550212 | Acceleration sensation presentation apparatus, acceleration sensation presentation method, and acceleration sensation presentation system | Satoru Higashino, Akira Suzuki, Naofumi Goto | 2017-01-24 |
| 8934325 | Information recording medium, information reproducing method, and information reproducing apparatus | Satoru Higashino | 2015-01-13 |
| 8929190 | Optical information recording medium and optical information recording medium reproducing apparatus | Kimihiro Saito | 2015-01-06 |
| 8923103 | Optical-information recording medium and playback apparatus | Hideki Ando | 2014-12-30 |
| 8446802 | Optical drive device and focus servo control method | Tsutomu Ishimoto | 2013-05-21 |
| 8395976 | Optical disc apparatus, position control method and optical pickup | Kimihiro Saito, Hirotaka Miyamoto | 2013-03-12 |
| 8248900 | Optical disc apparatus, focus position control method and recording medium | Kimihiro Saito, Takao Kondo, Kunihiko Hayashi, Seiji Kobayashi, Takashi Iwamura +1 more | 2012-08-21 |
| 7978569 | Optical disc device and focus control method | Hirotaka Miyamoto, Kimihiro Saito, Kunihiko Hayashi | 2011-07-12 |
| 7944794 | Optical disc apparatus, information recording method, and information reproduction method | Goro Fujita, Kimihiro Saito, Kunihiko Hayashi | 2011-05-17 |
| 7929393 | Optical information recording device and recording correction calculation method | — | 2011-04-19 |
| 6819643 | Optical disk apparatus, method of recording on optical disk, and optical disk | Seiji Kobayashi | 2004-11-16 |
| 6775215 | Optical disk apparatus, optical disk recording method, and optical disk | Seiji Kobayashi, Kazumine Ito | 2004-08-10 |
| 5729514 | Cross talk removing device utilizing signal from main track to subtract amplitude adjusted signals from adjacent tracks | Seiji Kobayashi | 1998-03-17 |
| 5712837 | Method and apparatus for recording data | Seiji Kobayashi, Joost De Kock | 1998-01-27 |
| 5703853 | Recording medium as well as recording apparatus and reproduction apparatus for the same | Seiji Kobayashi | 1997-12-30 |
| 5682374 | Recording medium having a recorded phase reference signal for fine adjustment of a phase sampling clock signal | Seiji Kobayashi | 1997-10-28 |