Issued Patents All Time
Showing 76–100 of 150 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7747141 | Randomly accessible visual information recording medium and recording method, and reproducing device and reproducing method | Tomoaki Ryu, Masaaki Shimada, Yoshihisa Yamada | 2010-06-29 |
| 7747140 | Randomly accessible visual information recording medium and recording method, and reproducing device and reproducing method | Tomoaki Ryu, Masaaki Shimada, Yoshihisa Yamada | 2010-06-29 |
| 7747138 | Randomly accessible visual information recording medium and recording method, and reproducing device and reproducing method | Tomoaki Ryu, Masaaki Shimada, Yoshihisa Yamada | 2010-06-29 |
| 7742684 | Randomly accessible visual information recording medium and recording method, and reproducing device and reproducing method | Tomoaki Ryu, Masaaki Shimada, Yoshihisa Yamada | 2010-06-22 |
| 7706668 | Video information recording medium which can be accessed at random, recording method, reproduction device, and reproducing method | Tomoaki Ryu, Masaaki Shimada, Yoshihisa Yamada | 2010-04-27 |
| 7548497 | Optical disk and optical disk drive device | Kyosuke Yoshimoto, Mahesh C. Rao, Hiroyuki Ohata, Teruo Furukawa, Junichi Kondo +1 more | 2009-06-16 |
| 7406409 | System and method for recording and reproducing multimedia based on an audio signal | Isao Otsuka, Ajay Divakaran, Masaharu Ogawa | 2008-07-29 |
| 7254104 | Optical disk and optical disk drive device | Kyosuke Yoshimoto, Teruo Furukawa | 2007-08-07 |
| 7227815 | Optical disk and optical disk drive device | Kyosuke Yoshimoto, Mabesh Chandra Rao, Hiroyuki Ohata, Teruo Furukawa, Junichi Kondo +1 more | 2007-06-05 |
| 7207051 | Optical disk and optical disk drive device | Kyosuke Yoshimoto, M. C. Rao, Hiroyuki Ohata, Teruo Furukawa, Junichi Kondo +1 more | 2007-04-17 |
| 7164641 | Optical disk and optical disk drive device | Kyosuke Yoshimoto, Mahesh C. Rao, Hiroyuki Ohata, Teruo Furukawa, Junichi Kondo +1 more | 2007-01-16 |
| 6930965 | Optical disk and optical disk drive device | Kyosuke Yoshimoto, Mahesh C. Rao, Hiroyuki Ohata, Teruo Furukawa, Junichi Kondo +1 more | 2005-08-16 |
| 6853611 | Optical disk and optical disk drive device | Kyosuke Yoshimoto, M. C. Rao, Hiroyuki Ohata, Teruo Furukawa, Junichi Kondo +1 more | 2005-02-08 |
| 6834033 | Optical disk and optical disk drive device | Kyosuke Yoshimoto, M. C. Rao, Hiroyuki Ohata, Teruo Furukawa, Junichi Kondo +1 more | 2004-12-21 |
| 6775220 | Optical disk and optical disk drive device | Kyosuke Yoshimoto, M. C. Rao, Hiroyuki Ohata, Teruo Furukawa, Junichi Kondo +1 more | 2004-08-10 |
| 6754145 | Tilt compensation device for disk drive | Masayoshi Shimamoto | 2004-06-22 |
| 6738341 | Rewritable optical disk with spare area and optical disk processing apparatus | Hiroyuki Ohata | 2004-05-18 |
| 6633525 | Optical disk having an attribute which designates whether a recording area permits rewriting or not | Kyosuke Yoshimoto, M. C. Rao, Hiroyuki Ohata, Teruo Furukawa, Junichi Kondo +1 more | 2003-10-14 |
| 6621782 | Optical disk, an optical disk device, and a method of managing defects in an optical disk | Hiroyuki Ohata | 2003-09-16 |
| 6529451 | Optical disk and optical disk drive device | Kyosuke Yoshimoto, M. C. Rao, Hiroyuki Ohata, Teruo Furukawa, Junichi Kondo +1 more | 2003-03-04 |
| 6526019 | Optical disk having a recording area on each side and attribute data designating each recording area as rewriteable or not rewriteable | Kyosuke Yoshimoto, M. C. Rao, Hiroyuki Ohata, Teruo Furukawa, Junichi Kondo +1 more | 2003-02-25 |
| 6522609 | Optical disk, an optical disk device, and a method of managing defects in an optical disk | Hiroyuki Ohata | 2003-02-18 |
| 6496460 | Optical disk, an optical disk device, and a method of managing defects in an optical disk | Hiroyuki Ohata | 2002-12-17 |
| 6493303 | Optical disk, an optical disk device, and a method of managing defects in an optical disk | Hiroyuki Ohata | 2002-12-10 |
| 6493306 | Optical disk, optical disk drive apparatus, and optical disk tracking method | Hiroyuki Oohata, Masato Nagasawa, Kenji Gotoh, Yoshinobu Ishida | 2002-12-10 |