Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6977881 | Optical pickup with holding mechanism to effectively prevent comatic aberration | Hironobu Tanase, Kenji Yamamoto | 2005-12-20 |
| 6944104 | Method of moving optical pickup, optical pickup, and optical disc apparatus | Hironobu Tanase, Kenji Yamamoto | 2005-09-13 |
| 6839315 | Optical head and optical pickup having improved thermal coefficient matching for thermal expansion adjustment | Koichiro Kishima, Akira Kouchiyama, Kenji Yamamoto, Atsushi Iida | 2005-01-04 |