Issued Patents All Time
Showing 26–50 of 228 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8164996 | Power adjustment method, information write method and information write medium | Soichiro Eto, Koichi Watanabe | 2012-04-24 |
| 8130430 | Holographic storage device and method using phase conjugate optical system | Kevin Curtis, Ken E. Anderson, Friso Schlottau, Tatsuro Ide, Ken'ichi Shimada +1 more | 2012-03-06 |
| RE43105 | Tracking error detection method and optical disc reproduction apparatus using the same | Takahiro Kurokawa | 2012-01-17 |
| 8098548 | Optical head and optical disk apparatus | Hideharu Mikami, Takahiro Kurokawa | 2012-01-17 |
| 8089841 | Reproducing signal measuring method, signal reproducing apparatus, and optical recording medium | Akemi Hirotsune, Junko Ushiyama, Hiroyuki Minemura, Takahiro Kurokawa | 2012-01-03 |
| 8077366 | Holographic storage device having an adjustment mechanism for a reference beam | Kevin Curtis, Ken E. Anderson, Friso Schlottau, Tatsuro Ide, Ken'ichi Shimada +1 more | 2011-12-13 |
| 8050158 | Power adjustment method, information write method and information write medium | Soichiro Eto, Koichi Watanabe | 2011-11-01 |
| 8023390 | Optical head and optical disk device | Takeshi Shimano, Hideharu Mikami, Jiro Hashizume | 2011-09-20 |
| 7995082 | Three-dimensional recording and reproducing apparatus | Hisataka Sugiyama, Takeshi Maeda, Kiyoshi Matsumoto, Motoyasu Terao, Shigenori Okamine +1 more | 2011-08-09 |
| 7965610 | Optical pickup device | Shigeharu Kimura | 2011-06-21 |
| 7933184 | Multilayered optical disc and its recording method | Takahiro Kurokawa | 2011-04-26 |
| 7911889 | Optical disc apparatus | Takeshi Shimano | 2011-03-22 |
| 7911930 | Information recording media, a method for recording/reproducing information, an apparatus for recording/reproducing information | Akemi Hirotsune, Takeshi Maeda | 2011-03-22 |
| 7835258 | Recording medium, information recording and reproducing method, and recording and reproducing apparatus | Hidehiko Kando, Takeshi Maeda | 2010-11-16 |
| 7821884 | Information recording and retrieval method, and its apparatus | Takeshi Maeda, Takeshi Shimano, Akemi Hirotsune | 2010-10-26 |
| 7782745 | Optical disk | Takahiro Kurokawa | 2010-08-24 |
| 7764578 | Tracking error detection method and optical disc reproduction apparatus using the same | Takahiro Kurokawa | 2010-07-27 |
| 7750276 | Optical information detecting method, optical head, and optical disc apparatus utilizing plural photodetectors | Hideharu Mikami, Takeshi Shimano | 2010-07-06 |
| 7742209 | Monocular holographic data storage system architecture | Kevin Curtis, Ken E. Anderson, Friso Schlottau, Tatsuro Ide, Ken'ichi Shimada +1 more | 2010-06-22 |
| 7715287 | Optical disk apparatus | Takeshi Shimano | 2010-05-11 |
| 7680025 | Optical information recording medium, reproducing method thereof, and manufacturing method thereof | Toshimichi Shintani, Yumiko Anzai, Hiromi Kudo | 2010-03-16 |
| 7663985 | Information recording and reproduction method and information recording and reproduction device | Takahiro Kurokawa, Hiromi Kudo | 2010-02-16 |
| 7657817 | Recording and reproducing data to/from a recording medium having a user data area and an information area for storing information about the recording medium | Osamu Kawamae, Taku Hoshizawa, Shigeki Taira, Yukari Katayama | 2010-02-02 |
| 7647542 | Recording and reproducing data to/from a recording medium having a user data area and an information area for storing information about the recording medium | Osamu Kawamae, Taku Hoshizawa, Shigeki Taira, Yukari Katayama | 2010-01-12 |
| 7639595 | Optical disk | Takahiro Kurokawa | 2009-12-29 |