Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10051247 | Image projection apparatus | Kenji Nagashima, Tatsuya Ito | 2018-08-14 |
| 9903987 | Laser optical device and image projection device | Kenji Nagashima, Tatsuya Ito | 2018-02-27 |
| 9297979 | Lens driving device and optical disc apparatus | Kazuya Harada, Tetsuo Nishidate, Hiromasa Sasaoka | 2016-03-29 |
| 7792008 | Optical pickup apparatus | Tetsuo Nishidate, Masaaki Suetsugu | 2010-09-07 |
| 7593294 | Optical pickup | — | 2009-09-22 |
| 7411875 | Optical pickup | — | 2008-08-12 |
| 7254097 | Optical disc apparatus | Ryotaro Nakagawa, Yasunori Kuwayama, Yoshiaki Ukawa | 2007-08-07 |
| 7136331 | Disk drive | — | 2006-11-14 |
| 7130260 | Apparatus for fixing a half mirror of an optical pickup and optical pickup | — | 2006-10-31 |
| 7065008 | Objective lens unit | Ryotaro Nakagawa | 2006-06-20 |
| 7036133 | Biaxial actuator for optical pickup and optical pickup | Teruaki Sogawa | 2006-04-25 |
| 6912182 | Actuator for an optical pickup apparatus and method of producing an actuator for an optical pickup apparatus | — | 2005-06-28 |
| 6885511 | Object lens unit | — | 2005-04-26 |
| 6785064 | Objective lens unit and method of assembling objective lens unit | — | 2004-08-31 |