Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8203923 | Recording device and recording method for optical recording medium | Mitsunori Kobayashi | 2012-06-19 |
| 7944790 | Optical disc apparatus and data recording method thereof | Yasuhiro Wada, Koichi Watanabe, Takakiyo Yasukawa, Naohito Ikeda | 2011-05-17 |
| 7885160 | Method of recording information on and reproducing information from optical disk and apparatus for the same | Takakiyo Yasukawa, Koichi Watanabe, Naohito Ikeda, Yasuhiro Wada | 2011-02-08 |
| 7746735 | Laser focus controlling method on an optical disk and an optical disk apparatus with using thereof | Toshio Saitoh | 2010-06-29 |
| 4527229 | Flyback transformer with high voltage variable resistor built therein | Eiji IMAMURA | 1985-07-02 |