Issued Patents All Time
Showing 26–50 of 152 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7920459 | Optical disc including a learning area having first and second regions, and methods for reproducing and recording data on the optical disc | Atsushi Nakamura, Takashi Ishida | 2011-04-05 |
| 7916591 | Recordable optical disc, optical disc recording apparatus, optical disc reproduction apparatus, and method for recording data onto recordable optical disc | Shuichi Tasaka | 2011-03-29 |
| 7907487 | Recording/reproduction apparatus, recording/reproduction method, program, and recording power adjustment apparatus | Harumitsu Miyashita, Takeshi Nakajima, Yasumori Hino | 2011-03-15 |
| 7898916 | Recording power determination method and device | Yasumori Hino, Takahiro Sato, Yuu Okada | 2011-03-01 |
| 7889610 | Multi-layered information recording medium, recording apparatus, and recording method | Motoshi Ito, Takashi Ishida, Hiroshi Ueda, Yoshikazu Yamamoto | 2011-02-15 |
| 7885171 | Information recording medium and information recording apparatus | Kiyotaka Ito | 2011-02-08 |
| 7869326 | Optical disc drive, optical storage medium, optical storage medium inspection apparatus, and optical storage medium inspection method | Shin-ichi Kadowaki, Atsushi Nakamura, Takashi Ishida | 2011-01-11 |
| 7848197 | Information recording medium, recording apparatus, reproduction apparatus, recording method, and reproduction method | Takashi Ishida, Motoshi Ito, Hiroshi Ueda, Yoshikazu Yamamoto, Atsushi Nakamura | 2010-12-07 |
| 7848216 | Optical disc and physical address format | Atsushi Nakamura, Junichi Minamino, Shigeru Furumiya, Takashi Ishida, Hiromichi Ishibashi | 2010-12-07 |
| 7848182 | Recording medium, access apparatus, access method, and program | Takahiro Sato, Hiroshi Ueda, Motoshi Ito | 2010-12-07 |
| 7782743 | High density phase-change type optical disk having a data efficiency of more than 80 percent | Takashi Ishida, Hiromichi Ishibashi, Atsushi Nakamura, Junichi Minamino, Shigeru Furumiya | 2010-08-24 |
| RE41415 | Optical disc including a plurality of data layers | Atsushi Nakamura, Takashi Ishida | 2010-07-06 |
| 7715291 | Multi-layered information recording medium, recording apparatus, and recording method | Motoshi Ito, Takashi Ishida, Hiroshi Ueda, Yoshikazu Yamamoto | 2010-05-11 |
| 7710842 | Optical disc apparatus and recording power determining method thereof | Shuichi Tasaka, Eiichi Igami, Kenji Koishi | 2010-05-04 |
| RE41246 | Information recording medium, recording apparatus, reproduction apparatus, recording method, and reproduction method | Takashi Ishida, Motoshi Ito, Hiroshi Ueda, Yoshikazu Yamamoto, Atsushi Nakamura | 2010-04-20 |
| 7697406 | High density phase-change type optical disk having a data efficiency of more than 80 percent | Takashi Ishida, Hiromichi Ishibashi, Atsushi Nakamura, Junichi Minamino, Shigeru Furumiya | 2010-04-13 |
| 7688705 | Information recording medium, recording apparatus, reproduction apparatus, recording method, and reproduction method | Takashi Ishida, Motoshi Ito, Hiroshi Ueda, Yoshikazu Yamamoto, Atsushi Nakamura | 2010-03-30 |
| 7668055 | Recording power determination method and device | Yasumori Hino, Takahiro Sato, Yuu Okada | 2010-02-23 |
| 7663992 | Multi-layered information recording medium, recording apparatus, and recording method | Motoshi Ito, Takashi Ishida, Hiroshi Ueda, Yoshikazu Yamamoto | 2010-02-16 |
| 7646686 | Recording/reproduction apparatus which adjusts recording power based on a partial response maximum likelihood (PRML) technique | Harumitsu Miyashita, Takeshi Nakajima, Yasumori Hino | 2010-01-12 |
| 7596076 | Optical disc and physical address format | Atsushi Nakamura, Junichi Minamino, Shigeru Furumiya, Takashi Ishida, Hiromichi Ishibashi | 2009-09-29 |
| 7593314 | Optical disc and physical address format | Atsushi Nakamura, Junichi Minamino, Shigeru Furumiya, Takashi Ishida, Hiromichi Ishibashi | 2009-09-22 |
| 7593313 | Optical disc and physical address format | Atsushi Nakamura, Junichi Minamino, Shigeru Furumiya, Takashi Ishida, Hiromichi Ishibashi | 2009-09-22 |
| 7590032 | Recording medium, access apparatus, access method, and program | Takahiro Sato, Hiroshi Ueda, Motoshi Ito | 2009-09-15 |
| 7583578 | Optical storage medium inspection method for determining if an optical storage medium is good or defective | Shin-ichi Kadowaki, Atsushi Nakamura, Takashi Ishida | 2009-09-01 |