Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tetsuhisa Hosokawa0
Kenji Nagatomi0
Seiji Kajiyama0
Date of Patent
July 7, 2009
0Patent Application Number
112187830
Date Filed
September 6, 2005
0Patent Primary Examiner
Patent abstract
Provided is an optical pickup device capable to suppress an occurrence of an aberration on a recording medium and a decrease of power of laser beams while employing a diffraction grating as an optical axis correction element.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.
