Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8004941 | Optical disk apparatus and test writing method | Koichiro Nishimura, Toru Kawashima, Tsuyoshi Toda | 2011-08-23 |
| 7944787 | Method for adjusting a focus position on an optical disc and an optical disc apparatus applying the same therein | Tomoya Hoshi, Toru Kawashima, Atsushi Yamada | 2011-05-17 |
| 7626903 | Optical disc apparatus and information recording and reproducing method | Nobuhiro Takeda | 2009-12-01 |
| 7616533 | Optical disc apparatus and access control method of the same | Tsuyoshi Toda, Nobuhiro Takeda | 2009-11-10 |
| 7570550 | Focus servo recovery processing method for optical disc device and optical disc device | Norimoto Ichikawa, Nobuhiro Takeda | 2009-08-04 |