Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8675459 | Optical disk apparatus | — | 2014-03-18 |
| 8305851 | Optical disk apparatus | Hideki Maruyama | 2012-11-06 |
| 8121000 | Optical disk apparatus | Hideki Maruyama | 2012-02-21 |
| 8072850 | Optical information recording apparatus | Kunikazu Ohnishi, Nobuyuki Maeda, Takahiro Kurokawa, Takeshi Shimano | 2011-12-06 |
| 8031565 | Optical pickup and optical information reproduction system | — | 2011-10-04 |
| 8004956 | Optical disc drive, optical pickup and optical component used therefor | Katsuhiko Izumi | 2011-08-23 |
| 7889625 | Optical pickup and optical disk driving apparatus using the same | Koichi Hirose | 2011-02-15 |
| 7773488 | Information reproducing apparatus | Hiromitsu Mori | 2010-08-10 |
| 7496025 | Optical disc drive apparatus with an indirect semiconductor laser containing an asymmetric quantum well structure | — | 2009-02-24 |
| 7480216 | Optical information recording apparatus | Kunikazu Ohnishi, Nobuyuki Maeda, Takahiro Kurokawa, Takeshi Shimano | 2009-01-20 |
| 7457221 | Optical disc recording/reproduction device | Takeyoshi Kataoka, Motoyuki Suzuki, Yoshinori Ishikawa | 2008-11-25 |
| 7310290 | Tracking learning/adjusting method and optical disk device | Yoshinori Ishikawa, Taku Hoshizawa | 2007-12-18 |
| 7307927 | Optical disk apparatus and method for recording and reproducing an optical disk | Shinji Fujita, Nobuyuki Maeda | 2007-12-11 |
| 7187643 | Information recording medium, information reproducing method, and information reproducing apparatus | Tetsuya Nishida | 2007-03-06 |
| 6952380 | Apparatus and method for recording information | Atsuko Kuroda, Takayuki Ichihara, Masafumi Mochizuki, Takuya Matsumoto | 2005-10-04 |
| 6839142 | Laser interferometer displacement measuring system, exposure apparatus, and electron beam lithography apparatus | Masakazu Sugaya, Tatsundo Suzuki, Masahiro Yamaoka, Sumio Hosaka | 2005-01-04 |
| 6768556 | Near-field optical probe, near-field optical microscope and optical recording/reproducing device with near-field optical probe | Takuya Matsumoto, Takeshi Shimano, Sumio Hosaka | 2004-07-27 |
| 6687013 | Laser interferometer displacement measuring system, exposure apparatus, and electron beam lithography apparatus | Masakazu Sugaya, Tatsundo Suzuki, Masahiro Yamaoka, Sumio Hosaka | 2004-02-03 |