Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7693015 | Optical information recording device, optical information recording method, and signal processing circuit | Fuyuki Miyazawa, Yoshikazu Sato, Isao Matsuda, Katsuhiro Oyama, Hiroya Kakimoto | 2010-04-06 |
| 7633844 | Optical information recording apparatus, optical information recording method, and signal processing circuit | Katsuhiro Oyama, Yoshikazu Sato, Ryuichi Sunagawa | 2009-12-15 |
| 7542394 | Optical information recording device for detecting information during recording and method therefor | Yoshikazu Sato, Mitsuo Sekiguchi, Hiroya Kakimoto, Fuyuki Miyazawa | 2009-06-02 |