Patent Assignment
Reel/Frame 022397/0270
Assignment of Assignor's Interest
Recorded: 2009-03-16
Pages: 2
Assignor
YAMAZAKI, KAZUYOSHI
Executed: 2009-01-19
Assignee
HITACHI MEDIA ELECTRONICS CO., LTD.
1, AZA-KITANO, SHINJO, MIZUSAWA-KU, OSHU-SHI, IWATE, JAPAN
Covered Property
(1)
Diffraction Grating, Optical Pickup Device and Optical Disc Apparatus
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.