Patent Assignment
Reel/Frame 015149/0925
Assignment of Assignor's Interest
Recorded: 2004-03-26
Pages: 2
Assignor
KOIKE, KESAHIRO
Executed: 2004-03-23
Assignee
HOYA CORPORATION
7-5, NAKA-OCHIAI 2-CHOME, SHINJUKU-KU, TOKYO, JAPAN
Covered Property
(1)
Method of Producing a Glass Substrate for a Mask Blank and Method of Producing a Mask Blank