Patent Assignment
Reel/Frame 011931/0209
Assignment of Assignor's Interest
Recorded: 2001-06-21
Pages: 2
Assignor
MATSUDA, TAKEHIRO
Executed: 2001-06-11
Assignee
PIONEER CORPORATION
NO. 4-1, MEGURO 1-CHOME, MEGURO-KU, TOKYO, JAPAN
Covered Property
(1)
Optical Pickup Apparatus Employing a Grating and a Hologram That Generate Multiple Beams Detected by a Photodetector