Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9030737 | 3D display device and method | Teruyuki Sato, Takahiro Umada, Hiroyasu Yoshikawa, Takashi Itoh | 2015-05-12 |
| 8827460 | Projector system and device, recording medium storing position detection program, and image providing method | Shinichiro Mori, Yuichi Hanada, Takahiro Umada | 2014-09-09 |
| 7859779 | Magnetic disk apparatus and magnetic disk access controlling method | Masakazu Taguchi, Kazuyuki Ozaki | 2010-12-28 |
| 7848049 | Magnetic disk apparatus and magnetic disk access control method | Masakazu Taguchi, Atsushi Tanaka | 2010-12-07 |
| 7564773 | Optical disk including address data recording region formed with paired wobbling sections of identical phase | Koichi Iida | 2009-07-21 |
| 7272839 | Storage medium library and storage medium magazine | Michio Matsuura | 2007-09-18 |
| 7102986 | Optical disk | Sumio Kuroda, Koichi Iida, Hiroyuki Takemoto | 2006-09-05 |
| 7090933 | Magneto-optical recording medium including a soft magnetic layer, a protective layer and a silane coupling agent layer, in this order | Yuzuru Yamakage, Takuya Kamimura, Ken Tamanoi, Keiji Shono | 2006-08-15 |
| 6800348 | Optical recording medium | Hiroyuki Takemoto, Atsushi Takeuchi, Yoshihito Fukushima, Kenichi Itoh, Takehiko Numata | 2004-10-05 |
| 6631106 | Spare area with a predetermined capacity for a detective sector allocated in each zone | Takehiko Numata, Atsushi Takeuchi, Teruo Chiba | 2003-10-07 |
| 6625090 | Magneto-optical recording medium, and magneto-optical recording/reproducing apparatus | Atsushi Takeuchi, Yoshihito Fukushima, Hiroyuki Takemoto, Kenichi Itoh, Takehiko Numata | 2003-09-23 |
| 6208595 | Magneto-optical recording medium | Yoshihito Fukushima, Atsushi Takeuchi, Hiroyuki Takemoto, Kenichi Itoh, Takehiko Numata | 2001-03-27 |
| 5978327 | Optical recording medium for land-and-groove recording system | Sumio Kuroda, Koichi Iida | 1999-11-02 |
| 5886979 | Information recording medium and method for recording and reproducing information to a medium to prevent unauthorized copying | Kenichi Utsumi, Zenichi Nagashima, Hiroyuki Kobayashi, Keiichi Murakami | 1999-03-23 |
| 5818812 | Optical recording medium and reproducing method for the same | Makoto Yoshioka | 1998-10-06 |
| 5812501 | Optical recording medium having a non-volatile identification code and method for encoding data using same | Haruhiko Izumi, Masakazu Taguchi, Iwao Tsugawa | 1998-09-22 |
| 5796712 | Optical disk having identification signal recorded between and used in common for two mutually adjacent tracks and optical disk unit therefor | Miyozo Maeda, Susumu Satoh, Kyoko Miyabe | 1998-08-18 |
| 5732058 | Optical disk cartridge and an optical disk drive using the same | Yasumasa Iwamura, Kenichi Itoh | 1998-03-24 |
| 5661703 | Optical recording medium having a non-volatile identification code and method for encoding data using same | Haruhiko Izumi, Masakazu Taguchi, Iwao Tsugawa | 1997-08-26 |
| 5402411 | Constant amplitude of tracking error signals generated from a head guide track and a performed track | Miyozo Maeda, Susumu Satoh, Kyoko Miyabe | 1995-03-28 |