Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8678341 | Normally closed solenoid valve | Shota Watanabe, Shin Sasaki, Kazuyuki Kobayashi | 2014-03-25 |
| 7889621 | Objective lens device, optical pickup device, optical-disc driving device and driving method of objective lens | Noriaki Nishi, Kenji Yamamoto, Fumiaki Nakano | 2011-02-15 |
| 7484229 | Optical pickup and optical disk apparatus | — | 2009-01-27 |
| 7221523 | Optical pickup and optical disk device | — | 2007-05-22 |
| 7092173 | Objective lens drive device, optical pickup device, and disk drive device | Yukihiko Koshimizu, Kenji Saka, Hiroshi Kitazawa | 2006-08-15 |
| 5850313 | Objective lens driving device and a method for manufacturing the same | Shigeru Takaya, Yoshifumi Masunaga | 1998-12-15 |
| 5748579 | Optical pickup for magneto optical recording apparatus | Shigeru Takaya, Yoshifumi Masunaga | 1998-05-05 |
| 5703864 | Pickup device for otpical disk | Shigeru Takaya, Yoshifumi Masunaga | 1997-12-30 |
| 5677897 | Apparatus for recording and reproducing magneto optical disc | Satoru Anada, Takehiro Matsuda, Yoshihiro Ichikawa, Atsushi Iitsuka, Shogo Sato | 1997-10-14 |