Issued Patents All Time
Showing 51–75 of 76 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7289420 | Optical disk, optical disk recording method and optical disk apparatus | Yutaka Okamoto, Hideo Ando, Chosaku Noda | 2007-10-30 |
| 7289414 | Optical disk, optical disk recording method and optical disk apparatus | Yutaka Okamoto, Hideo Ando, Chosaku Noda | 2007-10-30 |
| 7272096 | Optical disk, optical disk recording method and optical disk apparatus | Yutaka Okamoto, Hideo Ando, Chosaku Noda | 2007-09-18 |
| 7269121 | Optical disk, optical disk recording method and optical disk apparatus | Yutaka Okamoto, Hideo Ando, Chosaku Noda | 2007-09-11 |
| 7239591 | Optical disk, optical disk recording method and optical disk apparatus | Yutaka Okamoto, Hideo Ando, Chosaku Noda | 2007-07-03 |
| 7215624 | Optical disk apparatus and optical disk recording method | — | 2007-05-08 |
| 7184381 | Optical disk, optical disk recording/reproduction apparatus, and optical disk signal quality evaluation method | Shuichi Ohkubo, Hiromi Honma, Masatsugu Ogawa, Masaki Nakano, Toshiaki Iwanaga +1 more | 2007-02-27 |
| 7139231 | Information recording and reproducing apparatus, evaluation method, and information recording and reproducing medium | Yuji Nagai, Akihito Ogawa | 2006-11-21 |
| 7106677 | Reproduction signal evaluation method | Chosaku Noda, Yutaka Okamoto, Hideo Ando, Koichi Hirayama | 2006-09-12 |
| 7091887 | Modulator, modulation method, and method of manufacturing an optical recordable medium with enhanced security for confidential information | Yuji Nagai, Tadashi Kojima | 2006-08-15 |
| 7082566 | Signal quality evaluation method, information recording/reproducing system, and recording compensation method | Yuji Nagai, Akihito Ogawa | 2006-07-25 |
| 7012873 | Optical disk, optical disk recording method and optical disk apparatus | Yutaka Okamoto, Hideo Ando, Chosaku Noda | 2006-03-14 |
| 6992964 | Information reproducing device and information reproducing method | Shintaro Takehara | 2006-01-31 |
| 6870804 | Optical disk, optical disk recording method and optical disk apparatus | Yutaka Okamoto, Hideo Ando, Chosaku Noda | 2005-03-22 |
| 6847600 | Method for estimating the quality of an information recording medium utilizing equalization signals | Yutaka Okamoto, Chosaku Noda, Hideo Ando, Koichi Hirayama | 2005-01-25 |
| 6812868 | Run length limited code generation method, run length limited code recording/reproducing apparatus, and run length limited code recording/reproduction method | Hideyuki Yamakawa, Akihito Ogawa | 2004-11-02 |
| 6785210 | Reproduction signal evaluation method | Chosaku Noda, Yutaka Okamoto, Hideo Ando, Koichi Hirayama | 2004-08-31 |
| 6757230 | Information recording medium, information reproduction apparatus, and information recording apparatus | Chosaku Noda, Yutaka Okamoto, Hideo Ando | 2004-06-29 |
| 6754160 | Optical disk device and information reproducing device performing maximum decoded offset process, and reproducing methods thereof | Shintaro Takehara | 2004-06-22 |
| 6711111 | Optical disk, optical disk recording method and optical disk apparatus | Yutaka Okamoto, Hideo Ando, Chosaku Noda | 2004-03-23 |
| 6704259 | Information recording and reproducing apparatus and information recording and reproducing method, information reproducing apparatus and information reproducing method, and information recording medium | Yutaka Okamoto, Chosaku Noda, Hideo Ando, Koichi Hirayama | 2004-03-09 |
| 6671243 | Information storage medium, information recording method, and information reproduction method | Hideo Ando, Chosaku Noda, Yutaka Okamoto, Koichi Hirayama | 2003-12-30 |
| 6587417 | Optical disk, optical disk recording method and optical disk apparatus | Yutaka Okamoto, Hideo Ando, Chosaku Noda | 2003-07-01 |
| 6456578 | Optical disk apparatus | Katsuo Iwata | 2002-09-24 |
| 6339574 | Optical disk on which information is recorded with high density and optical disk apparatus for reproducing information recorded on the optical disk | — | 2002-01-15 |