Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8114496 | Optical recording medium | Michikazu Horie, Kenjirou Kiyono | 2012-02-14 |
| 8018823 | Optical recording medium having a relation between groove widths, groove depths and track pitches | Hidehiro Sasaki, Kenjirou Kiyono | 2011-09-13 |
| 7858167 | Rewritable optical recording medium and optical recording method | Takashi Ohno, Michikazu Horie, Masaaki Mizuno, Hiroyuki Hoshino, Akio Okamuro | 2010-12-28 |
| 7609603 | Rewritable optical recording medium and optical recording method | Takashi Ohno, Michikazu Horie, Masaaki Mizuno, Hiroyuki Hoshino, Akio Okamuro | 2009-10-27 |
| 7561502 | Rewritable optical recording medium, recording method on the same, and optical disc recording/retrieving apparatus | Natsuko Nobukuni, Takashi Ohno, Michikazu Horie | 2009-07-14 |
| 7452582 | Rewritable optical recording medium recording method on the same and optical disc recording/retrieving apparatus | Natsuko Nobukuni, Takashi Ohno, Michikazu Horie | 2008-11-18 |
| 7408852 | Rewritable optical recording medium, recording method on the same, and optical disc recording/retrieving apparatus | Natsuko Nobukuni, Takashi Ohno, Michikazu Horie | 2008-08-05 |
| 7345977 | Recording and retrieving method on rewritable optical recording medium | Natsuko Nobukuni, Takashi Ohno, Michikazu Horie | 2008-03-18 |
| 7333414 | Rewritable optical recording medium, recording method on the same, and optical disc recording/retrieving apparatus | Natsuko Nobukuni, Takashi Ohno, Michikazu Horie | 2008-02-19 |
| 7313070 | Rewritable optical recording medium and optical recording method | Takashi Ohno, Michikazu Horie, Masaaki Mizuno, Hiroyuki Hoshino, Akio Okamuro | 2007-12-25 |
| 7277376 | Optical recording method | Michikazu Horie, Takashi Ohno, Kenjirou Kiyono | 2007-10-02 |
| 7027371 | Rewritable optical recording medium, recording method on the same, and optical disc recording/retrieving apparatus | Natsuko Nobukuni, Takashi Ohno, Michikazu Horie | 2006-04-11 |
| 6580678 | Rewritable compact disk and manufacturing method thereof | Joji Kondo, Hideyuki Kubo | 2003-06-17 |
| 6128273 | Optical phase-change disc | Michikazu Horie, Takashi Ohno, Hideyuki Kubo, Hironobu Mizuno, Masaaki Mizuno +2 more | 2000-10-03 |
| 6115353 | Optical phase-change disc having a grooved substrate, with the groove having specific wobbled and non-wobbled regions | Michikazu Horie, Takashi Ohno, Hideyuki Kubo, Hironobu Mizuno, Masaaki Mizuno +2 more | 2000-09-05 |
| 6115352 | Optical information recording medium capable of rewriting data at low reflectance and deterioration condition | Takashi Ohno, Masaaki Mizuno, Kanako Tsuboya, Michikazu Horie | 2000-09-05 |
| 6108295 | Optical information recording medium | Takashi Ohno, Masaaki Mizuno, Kanako Tsuboya, Michikazu Horie | 2000-08-22 |
| 6004646 | Optical information recording medium | Takashi Ohno, Masao Komatsu, Masaaki Mizuno, Natsuko Nobukuni, Michikazu Horie +1 more | 1999-12-21 |
| 5862123 | Optical phase-change disc | Michikazu Horie, Takashi Ohno, Hideyuki Kubo, Hironobu Mizuno, Masaaki Mizuno +2 more | 1999-01-19 |
| 5831963 | Optical recording medium having zones wherein the number of sectors per track is constant and method of injection-molding the same | Shigenobu HARADA, Motonori Ueda, Michio Kawai, Masatoshi Kimura, Tomohiro Yamazaki | 1998-11-03 |
| 5583847 | Optical disk having predetermined cross-track signal, cross-track minimum signal, and push-pull signal | Hideharu Takeshima | 1996-12-10 |