Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10411579 | Electric rotating machine | — | 2019-09-10 |
| 8295144 | Optical pickup device and optical disc apparatus | Kazuyoshi Yamazaki | 2012-10-23 |
| 8169880 | Optical pickup having radially arranged lenses in a low profile construction | Tomoto Kawamura, Yoshiro Konishi, Toshimasa Kamisada | 2012-05-01 |
| 8154962 | Optical pickup and optical information recording and reproducing device | Hiromitsu Mori, Tomoto Kawamura, Yoshiro Konishi, Toshimasa Kamisada | 2012-04-10 |
| 8040780 | Optical pickup device and optical disc apparatus | Kazuyoshi Yamazaki | 2011-10-18 |
| 8014258 | Optical pickup having radially arranged lenses in a low profile construction | Tomoto Kawamura, Yoshiro Konishi, Toshimasa Kamisada | 2011-09-06 |
| 7978587 | Optical pickup apparatus and optical disc apparatus with a single beam system | Toshimasa Kamisada, Kazuyoshi Yamazaki, Tomoto Kawamura, Yoshiro Konishi | 2011-07-12 |
| 7940630 | Optical pick up apparatus with a single beam system and having a diffraction grating | Toshimasa Kamisada, Kazuyoshi Yamazaki, Tomoto Kawamura, Yoshiro Konishi | 2011-05-10 |
| 7885166 | Optical pick up apparatus with a single beam system and having a diffraction grating | Toshimasa Kamisada, Kazuyoshi Yamazaki, Tomoto Kawamura, Yoshiro Konishi | 2011-02-08 |
| 7733760 | Optical pickup having radially arranged lenses in a low profile construction | Tomoto Kawamura, Yoshiro Konishi, Toshimasa Kamisada | 2010-06-08 |
| 7567495 | Optical pickup apparatus and optical disc apparatus using same | Toshimasa Kamisada, Kazuyoshi Yamazaki, Tomoto Kawamura, Yoshiro Konishi | 2009-07-28 |
| 7245574 | Optical head and its adjusting method and optical disk device using the same | Toshimasa Kamisada, Yoshiro Konishi, Susumu Tachibana | 2007-07-17 |
| 5555539 | Multi-beam split-type optical head for use in optical disk apparatus | Toshimasa Kamisada | 1996-09-10 |
| 5493554 | 2-laser optical head and recording/reproducing apparatus | Tooru Sasaki, Kunikazu Ohnishi, Masayuki Inoue | 1996-02-20 |
| 5295125 | Optical head device for recording/reproduction for recording medium using plural light spots | Kunikazu OONISHI, Tohru Sasaki, Masayuki Inoue, Akira Saito | 1994-03-15 |
| 5050158 | Magnetic clamp for a disk medium | Toshiyasu Hattori | 1991-09-17 |