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Hiroyuki Inomata
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of inspecting photo-mask
Patent number
7,289,657
Issue date
Oct 30, 2007
Dai Nippon Printing Co., Ltd.
Morihisa Hoga
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Phase shift photomask and method of producing same
Patent number
5,556,724
Issue date
Sep 17, 1996
Dai Nippon Printing Co., Ltd.
Norihiro Tarumoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photomask with pellicle and method of treating and storing the same
Patent number
5,397,665
Issue date
Mar 14, 1995
Dai Nippon Printing Co., Ltd.
Kazuhiro Tabuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Case for photomask
Patent number
5,330,053
Issue date
Jul 19, 1994
Dai Nippon Printing Co., Ltd.
Kazuhiro Tabuchi
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Patents Applications
last 30 patents
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Patent Application
Method of inspecting photo-mask
Publication number
20030194618
Publication date
Oct 16, 2003
Morihisa Hoga
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY