Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7872956 | Optical-disc drive apparatus and method of deciding optimum recording powers of laser beam | Yasuhiko Teranishi | 2011-01-18 |
| 7729218 | Method and apparatus for recording and reproducing signal on and from optical information recording medium | Kazunori Tokiwa, Toshiyuki Kato, Hiroshi Tabata, Yasuhiko Teranishi | 2010-06-01 |
| 6657935 | Method and apparatus for recording information on recording medium | Yasuhiro Ueki, Osamu Yanagisawa, Yutaka Osada, Kenji Koishi, Makoto Usui +2 more | 2003-12-02 |
| 6473377 | OPTICAL DISC RECORD CARRIER WITH WOBBLED GROOVES THAT PERMIT RECORDING ON THE GROOVES AND LANDS, APPARATUS FOR MANUFACTURING SUCH A RECORD CARRIER, AND RECORDING AND/OR REPRODUCING APPARATUS FOR SUCH A RECORD CARRIER | Atsushi Hosoda, Ichiro Ueno, Yasuhiro Ueki | 2002-10-29 |
| 6292458 | Optical disc record carrier with wobbled grooves that permit recording on the grooves and lands, apparatus for manufacturing such a record carrier, and recording and/or reproducing apparatus for such a record carrier | Atsushi Hosoda, Ichiro Ueno, Yasuhiro Ueki | 2001-09-18 |
| 6188653 | Optical storage medium and apparatus and method of reproducing data therefrom using different laser power | Hirofumi Nagano | 2001-02-13 |
| 5754508 | Method and apparatus for simultaneously recording information data on two recording surfaces of an optical disc at equal data states | Atsushi Hosoda | 1998-05-19 |