Issued Patents All Time
Showing 26–50 of 86 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8315147 | Multilayer optical recording medium having three or more recording layers with reduced interlayer crosstalk | Akemi Hirotsune, Shigeharu Kimura | 2012-11-20 |
| 8264932 | Adjusting method for recording condition and optical disc device | Hiroyuki Minemura | 2012-09-11 |
| 8186987 | Nano-fiber manufacturing apparatus | Hiroto Sumida, Kazunori Ishikawa, Mitsuhiro Takahashi, Mikio Takezawa, Yoshiaki Tominaga | 2012-05-29 |
| 8163227 | Nanofiber spinning method and device | Hiroto Sumida, Kazunori Ishikawa, Mitsuhiro Takahashi, Mikio Takezawa, Yoshiaki Tominaga | 2012-04-24 |
| 8154973 | Method of evaluating reproduce signal and optical disc drive | Hiroyuki Minemura, Soichiro Eto, Shuichi Kusaba | 2012-04-10 |
| 8130610 | Optical disc recording method and optical disc recorder | — | 2012-03-06 |
| 8121014 | Method and apparatus for determining the reading power of an optical reproducing device | Hiroyuki Minemura | 2012-02-21 |
| 8110136 | Method and apparatus for producing nanofibers and polymer web | Mitsuhiro Takahashi, Mikio Takezawa, Yoshiaki Tominaga, Kazunori Ishikawa, Hiroto Sumida | 2012-02-07 |
| 8107339 | Method of evaluating reproduce signal and optical disc drive | Hiroyuki Minemura, Soichiro Eto, Shuichi Kusaba | 2012-01-31 |
| 8098548 | Optical head and optical disk apparatus | Hideharu Mikami, Harukazu Miyamoto | 2012-01-17 |
| RE43105 | Tracking error detection method and optical disc reproduction apparatus using the same | Harukazu Miyamoto | 2012-01-17 |
| 8089841 | Reproducing signal measuring method, signal reproducing apparatus, and optical recording medium | Akemi Hirotsune, Junko Ushiyama, Hiroyuki Minemura, Harukazu Miyamoto | 2012-01-03 |
| 8085641 | Reproduced signal evaluation method and write adjustment method | Hiroyuki Minemura, Junya Shiraishi, Shoei Kobayashi, Harumitsu Miyashita, Yasumori Hino | 2011-12-27 |
| 8085640 | Adjusting method for recording condition and optical disc device | Hiroyuki Minemura | 2011-12-27 |
| 8072850 | Optical information recording apparatus | Fumio Isshiki, Kunikazu Ohnishi, Nobuyuki Maeda, Takeshi Shimano | 2011-12-06 |
| 7978576 | Adjustment method of optimum write power and optical write/retrieval device | Soichiro Eto, Koichi Watanabe | 2011-07-12 |
| 7965590 | Optical disc apparatus and offset adjustment method thereof | Manabu Shiozawa | 2011-06-21 |
| 7961580 | Highly adaptive recording method and optical recording apparatus | Shinji Fujita, Takeshi Maeda, Manabu Shiozawa | 2011-06-14 |
| 7933184 | Multilayered optical disc and its recording method | Harukazu Miyamoto | 2011-04-26 |
| 7791993 | Optical disc drive provided with envelope defect detection function | Atsushi Kikugawa | 2010-09-07 |
| 7782745 | Optical disk | Harukazu Miyamoto | 2010-08-24 |
| 7764578 | Tracking error detection method and optical disc reproduction apparatus using the same | Harukazu Miyamoto | 2010-07-27 |
| 7751288 | Adjustment method of optimum write power and optical write/retrieval device | Soichiro Eto, Koichi Watanabe | 2010-07-06 |
| 7663994 | Data recording method and data recording equipment | Koichi Watanabe | 2010-02-16 |
| 7663985 | Information recording and reproduction method and information recording and reproduction device | Hiromi Kudo, Harukazu Miyamoto | 2010-02-16 |