Issued Patents All Time
Showing 26–50 of 83 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8488430 | Recording medium and reproducing apparatus | Yojiro Sumi, Seiji Kobayashi | 2013-07-16 |
| 8477580 | Objective lens, optical pickup, and optical drive device | Kenji Yamamoto, Noriaki Nishi | 2013-07-02 |
| 8395976 | Optical disc apparatus, position control method and optical pickup | Hirotaka Miyamoto, Toshihiro Horigome | 2013-03-12 |
| 8369201 | Optical pickup, optical drive apparatus, and light illumination method | Norihiro Tanabe, Hirotaka Miyamoto, Takahiro Miura | 2013-02-05 |
| 8345521 | Optical disc apparatus and signal generation method | Goro Fujita, Hirotaka Miyamoto, Kunihiko Hayashi | 2013-01-01 |
| 8309000 | Method for manufacturing microlens and method for manufacturing solid-state image sensor | Goro Fujita, Seiji Kobayashi, Shingo Imanishi | 2012-11-13 |
| 8305866 | Pickup apparatus, optical recording and reproduction apparatus, and recording and reproduction method | Norihiro Tanabe, Takahiro Miura, Yojiro Sumi, Noriaki Nishi | 2012-11-06 |
| 8274875 | Optical disc device and focus control method | Hirotaka Miyamoto, Kunihiko Hayashi | 2012-09-25 |
| 8254223 | Optical drive device and tilt detection method | Takeshi Kubo, Norihiro Tanabe | 2012-08-28 |
| 8248900 | Optical disc apparatus, focus position control method and recording medium | Toshihiro Horigome, Takao Kondo, Kunihiko Hayashi, Seiji Kobayashi, Takashi Iwamura +1 more | 2012-08-21 |
| 8238210 | Optical recording medium, optical recording medium driving apparatus, and optical recording medium driving method | Hirotaka Miyamoto, Takeshi Kubo | 2012-08-07 |
| 8223610 | Apparatus and method for initializing information recording medium, apparatus and method for recording information, and information recording medium | Hisayuki Yamatsu, Seiji Kobayashi | 2012-07-17 |
| 8107331 | Optical disk apparatus, position control method, and optical pickup | Hirotaka Miyamoto, Goro Fujita | 2012-01-31 |
| 8089838 | Optical disc apparatus and tracking control method | — | 2012-01-03 |
| 8077582 | Optical pickup, optical information recording method, and optical disc apparatus | Shiori Ogi, Goro Fujita | 2011-12-13 |
| 8040764 | Optical disc apparatus and correction servo control signal generation method | Hirotaka Miyamoto, Kunihiko Hayashi | 2011-10-18 |
| 8031575 | Optical pickup device and recording/reproducing device | Ariyoshi Nakaoki | 2011-10-04 |
| 7995439 | Optical disc apparatus and optical disc replay method | Kunihiko Hayashi | 2011-08-09 |
| 7978569 | Optical disc device and focus control method | Hirotaka Miyamoto, Toshihiro Horigome, Kunihiko Hayashi | 2011-07-12 |
| 7961565 | Optical disk apparatus and optical aberration correcting method | Takao Kondo, Hirotaka Miyamoto | 2011-06-14 |
| 7948840 | Optical disc device and converging position correction method | Hirotaka Miyamoto | 2011-05-24 |
| 7944794 | Optical disc apparatus, information recording method, and information reproduction method | Goro Fujita, Toshihiro Horigome, Kunihiko Hayashi | 2011-05-17 |
| 7936657 | Apparatus for initializing and method of manufacturing optical disc, and initialization reference plate | Goro Fujita | 2011-05-03 |
| 7936656 | Optical disc apparatus, focus position control method and optical disc | Hirotaka Miyamoto | 2011-05-03 |
| 7924672 | Optical-disk recording medium, playing apparatus and method for same, and recording apparatus and method for same | Goro Fujita, Takashi Shimouma, Jun Nakano, Shigeki Takagawa | 2011-04-12 |