Patent Assignment
Reel/Frame 018457/0896
Assignment of Assignor's Interest
Recorded: 2006-10-18
Pages: 2
Assignee
HOYA CORPORATION
7-5, NAKA-OCHIAI 2-CHOME, SHINJUKU-KU, TOKYO, 161-8525, JAPAN
Covered Property
(1)
Chemical Strengthening Treatment Method of Magnetic Disk Glass Substrate