Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8154962 | Optical pickup and optical information recording and reproducing device | Hiromitsu Mori, Yoshiro Konishi, Toshimasa Kamisada, Yasuo Kitada | 2012-04-10 |
| 8144565 | Optical head and apparatus using the same | Hiroshi Ogasawara | 2012-03-27 |
| 8014258 | Optical pickup having radially arranged lenses in a low profile construction | Yoshiro Konishi, Toshimasa Kamisada, Yasuo Kitada | 2011-09-06 |
| 7978587 | Optical pickup apparatus and optical disc apparatus with a single beam system | Toshimasa Kamisada, Yasuo Kitada, Kazuyoshi Yamazaki, Yoshiro Konishi | 2011-07-12 |
| 7948858 | Optical information processing apparatus, optical pick-up device and optical recording disc system | Sayako Itoh, Daisuke Tomita | 2011-05-24 |
| 7940630 | Optical pick up apparatus with a single beam system and having a diffraction grating | Toshimasa Kamisada, Yasuo Kitada, Kazuyoshi Yamazaki, Yoshiro Konishi | 2011-05-10 |
| 7936658 | Photodetector, diffraction grating, optical pickup and optical disc apparatus | Kunikazu Ohnishi, Masayuki Inoue, Katsuhiko Izumi | 2011-05-03 |
| 7911915 | Optical pickup and optical information recording apparatus using the same | Kunikazu Ohnishi, Masayuki Inoue | 2011-03-22 |
| 7885166 | Optical pick up apparatus with a single beam system and having a diffraction grating | Toshimasa Kamisada, Yasuo Kitada, Kazuyoshi Yamazaki, Yoshiro Konishi | 2011-02-08 |
| 7876659 | Optical pickup and optical drive | Masataka Sugita | 2011-01-25 |
| 7733760 | Optical pickup having radially arranged lenses in a low profile construction | Yoshiro Konishi, Toshimasa Kamisada, Yasuo Kitada | 2010-06-08 |
| 7724626 | Optical pickup and optical information recording apparatus using the same | Kunikazu Ohnishi, Masayuki Inoue | 2010-05-25 |
| 7706220 | Photodetector, diffraction grating, optical pickup and optical disc apparatus | Kunikazu Ohnishi, Masayuki Inoue, Katsuhiko Izumi | 2010-04-27 |
| 7697393 | Optical pickup and optical information recording apparatus using the same | Kunikazu Ohnishi, Masayuki Inoue | 2010-04-13 |
| 7697394 | Optical pickup and optical information recording apparatus using the same | Kunikazu Ohnishi, Masayuki Inoue | 2010-04-13 |
| 7590043 | Optical pickup and optical information recording apparatus using the same | Kunikazu Ohnishi, Masayuki Inoue | 2009-09-15 |
| 7567495 | Optical pickup apparatus and optical disc apparatus using same | Toshimasa Kamisada, Yasuo Kitada, Kazuyoshi Yamazaki, Yoshiro Konishi | 2009-07-28 |
| 7502303 | Optical information processing apparatus, optical pick-up device and optical recording disc system | Sayako Itoh, Daisuke Tomita | 2009-03-10 |
| 7327661 | Optical pickup and optical information recording apparatus using the same | Kunikazu Ohnishi, Masayuki Inoue | 2008-02-05 |