Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8547815 | Optical pickup device and optical disc apparatus | — | 2013-10-01 |
| 8542560 | Diffraction grating and optical pickup device | — | 2013-09-24 |
| 8531930 | Optical pickup device and optical disc apparatus | — | 2013-09-10 |
| 8520486 | Optical pickup device and optical disc apparatus | — | 2013-08-27 |
| 8509040 | Optical pickup device and optical disc apparatus | — | 2013-08-13 |
| 8488425 | Optical pickup device and optical disc apparatus | Tomoto Kawamura | 2013-07-16 |
| 8331207 | Optical pickup and optical disc unit | Katsuhiko Izumi, Tomoto Kawamura, Kunikazu Ohnishi | 2012-12-11 |
| 8295145 | Optical pickup device and optical disc apparatus | — | 2012-10-23 |
| 8295144 | Optical pickup device and optical disc apparatus | Yasuo Kitada | 2012-10-23 |
| 8254237 | Diffraction grating, optical pickup device and optical disc apparatus | — | 2012-08-28 |
| 8223613 | Optical pickup device and optical disc apparatus | — | 2012-07-17 |
| 8094542 | Optical pickup device, optical disc device, and diffraction grating | — | 2012-01-10 |
| 8081550 | Optical pickup device | Kunikazu Ohnishi | 2011-12-20 |
| 8040780 | Optical pickup device and optical disc apparatus | Yasuo Kitada | 2011-10-18 |
| 8036091 | Optical pick-up and optical information recording and reproducing apparatus | Eriko Tatsu, Tatsuro Ide, Shigeharu Kimura | 2011-10-11 |
| 7978587 | Optical pickup apparatus and optical disc apparatus with a single beam system | Toshimasa Kamisada, Yasuo Kitada, Tomoto Kawamura, Yoshiro Konishi | 2011-07-12 |
| 7948841 | Diffraction grating, optical pickup device and optical disc apparatus | — | 2011-05-24 |
| 7940630 | Optical pick up apparatus with a single beam system and having a diffraction grating | Toshimasa Kamisada, Yasuo Kitada, Tomoto Kawamura, Yoshiro Konishi | 2011-05-10 |
| 7885166 | Optical pick up apparatus with a single beam system and having a diffraction grating | Toshimasa Kamisada, Yasuo Kitada, Tomoto Kawamura, Yoshiro Konishi | 2011-02-08 |
| 7867920 | Method for modifying high-k dielectric thin film and semiconductor device | Shintaro Aoyama, Koji Akiyama | 2011-01-11 |
| 7858509 | High-dielectric film substrate processing method | Miki Aruga, Shintaro Aoyama, Kouji Shimomura | 2010-12-28 |
| 7754293 | Film forming method | Shintaro Aoyama, Masanobu Igeta | 2010-07-13 |
| 7567495 | Optical pickup apparatus and optical disc apparatus using same | Toshimasa Kamisada, Yasuo Kitada, Tomoto Kawamura, Yoshiro Konishi | 2009-07-28 |
| 7497964 | Plasma igniting method and substrate processing method | Masanobu Igeta, Shintaro Aoyama, Hiroshi Shinriki | 2009-03-03 |
| 7397648 | Electrostatic chuck including a heater mechanism | Akinobu Otaka | 2008-07-08 |