Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7417930 | Optical recording method | Hajime Yuzurihara, Mikiko Abe, Hiroshi Deguchi, Eiko Hibino, Hiroshi Miura +1 more | 2008-08-26 |
| 7366075 | Phase-change optical recording medium and recording method and apparatus for the same | Kazunori Ito, Makoto Harigaya, Takashi Shibaguchi, Eiko Suzuki, Nobuaki Onagi +2 more | 2008-04-29 |
| 7362683 | Optical recording method | Hajime Yuzurihara, Mikiko Abe, Hiroshi Deguchi, Eiko Hibino, Hiroshi Miura +1 more | 2008-04-22 |
| 7260044 | Recording method for a phase-change optical recording medium | Hajime Yuzurihara, Hiroshi Deguchi, Eiko Hibino, Mikiko Abe, Hiroshi Miura +1 more | 2007-08-21 |
| 7102977 | Phase-change optical recording medium and recording method and apparatus for the same | Kazunori Ito, Makoto Harigaya, Takashi Shibaguchi, Eiko Suzuki, Nobuaki Onagi +2 more | 2006-09-05 |
| 6884488 | Phase-change optical recording medium and recording method and apparatus for the same | Kazunori Ito, Makoto Harigaya, Takashi Shibaguchi, Eiko Suzuki, Nobuaki Onagi +2 more | 2005-04-26 |
| 6801240 | Information recording with effective pulse control scheme | Michiaki Shinotsuka, Kenya Yokoi | 2004-10-05 |
| 6777057 | Phase-change optical recording medium and recording method and apparatus for the same | Kazunori Ito, Makoto Harigaya, Takashi Shibaguchi, Eiko Suzuki, Nobuaki Onagi +2 more | 2004-08-17 |
| 6548137 | Phase-change optical recording medium and recording method and apparatus for the same | Kazunori Ito, Makoto Harigaya, Takashi Shibaguchi, Eiko Suzuki, Nobuaki Onagi +2 more | 2003-04-15 |
| 6096398 | Phase-change optical recording medium | Hajime Yuzurihara, Hiroshi Deguchi, Michiaki Shinotsuka, Takashi Shibaguchi, Makoto Harigaya +2 more | 2000-08-01 |
| 6018510 | Phase change recording medium for allowing a tracking servo control based on a differential phase detection tracking method | Michiaki Shinotsuka, Masahiko Nakayama | 2000-01-25 |
| 5824450 | Light irradiation method and optical information recording method | — | 1998-10-20 |
| 5790505 | Optical data recording/reproducing method and apparatus for determing an optimum recording power | Hiroko Iwasaki | 1998-08-04 |
| 5784355 | Information recording method and device | — | 1998-07-21 |
| 5761179 | Phase-change optical recording method using pulse width modulation technique | Hiroko Iwasaki, Yukio Ide, Yoshiyuki Kageyama, Makoto Harigaya | 1998-06-02 |
| 5750293 | Method of recording and reproducing information | — | 1998-05-12 |
| 5738960 | Optical information reproducing method | — | 1998-04-14 |
| 5740149 | Phase-change type optical recording and reproducing method | Hiroko Iwasaki, Yukio Ide, Yoshiyuki Kageyama, Makoto Harigaya | 1998-04-14 |
| 5738973 | Optical information recording medium | — | 1998-04-14 |
| 5473591 | Method for recording and reproducing data on recording mediums | — | 1995-12-05 |
| 5353271 | Method and apparatus for recording or reproducing information on or from recording medium | — | 1994-10-04 |
| 5239531 | Optical information recording method using modulated optical beam | — | 1993-08-24 |
| 5226031 | Method of reproducing information by optically scanning marks on a recording medium with compensation for noise components caused by marks adjacent a mark being scanned | — | 1993-07-06 |
| 5196250 | Optical information recording medium | Masaakira Umehara | 1993-03-23 |
| 5144552 | Optical information storage medium having grooves and pits with specific depths, respectively | — | 1992-09-01 |