Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7394732 | Object lens drive device, and disc recording and/or reproducing apparatus | Naoto Ikeda | 2008-07-01 |
| 7194748 | Objective lens driver and disk drive device comprising the same | Naoto Ikeda | 2007-03-20 |
| 7046590 | Objective lens drive device, and disk recording and/or reproducing device | Naoto Ikeda | 2006-05-16 |
| 5513162 | Recording apparatus having a function to prevent recording of a signal into a specific area of a recording medium | Yoshio Kishi, Toshiyuki Arai | 1996-04-30 |
| 5260927 | Optical pickup device for recordable disc and dichroic mirror | Yoji Ishii, Kiyoshi Ohsato | 1993-11-09 |
| 5239529 | Multiple beam optical disk apparatus with multiple clock extracting circuits used for monitoring and cross fading | Satoru Tobita, Kazuyuki Hishida, Masaru Tezuka | 1993-08-24 |
| 4539671 | Recording and/or reproducing apparatus for a disk | — | 1985-09-03 |
| 4530073 | Disc reproducing apparatus | Tadao Yoshida, Hideo Kawachi, Chiaki Nonaka | 1985-07-16 |
| 4519057 | Digital audio disc player including apparatus for finding the beginning of a recorded audio signal | Chiaki Nonaka, Tadao Yoshida, Hideo Kawachi | 1985-05-21 |