Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6917454 | Holographic optical element, position shift detecting apparatus, optical pickup apparatus, optical recording medium drive and method of fabricating holographic optical element | Kazushi Mori, Mitsuaki Matsumoto, Koji Tominaga, Atsushi Tajiri | 2005-07-12 |
| 6909687 | Optical pickup with a diffraction element consist of six regions providing spatial variation corresponding to a focas state | Kazushi Mori, Atsushi Tajiri, Toyozo Nishida, Yasuaki Inoue, Yasuhiro Ueda +1 more | 2005-06-21 |