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Patents Grants
last 30 patents
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Patent Grant
Photomask blank and phase shift photomask
Patent number
5,419,988
Issue date
May 30, 1995
Dai Nippon Printing Co., Ltd.
Hiroshi Mohri
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
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Patent Application
Building Safety Verification System And Building Safety Verificatio...
Publication number
20150355050
Publication date
Dec 10, 2015
NTT FACILITIES, INC.
Kenichi YOSHIDA
G01 - MEASURING TESTING