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Takahiro Matsuo
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Kanagawa-ken, JP
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Patents Grants
last 30 patents
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Patent Grant
Halftone phase shifting photomask and blanks for halftone phase shi...
Patent number
6,780,547
Issue date
Aug 24, 2004
Dainippon Printing Co., Ltd.
Toshiaki Motonaga
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Halftone phase shift photomask and blanks for halftone phase shift...
Patent number
6,709,791
Issue date
Mar 23, 2004
Dai Nippon Printing Co., Ltd.
Hiroshi Mohri
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
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Patent Application
Halftone phase shifting photomask and blanks for halftone phase shi...
Publication number
20020015187
Publication date
Feb 7, 2002
Toshiaki Motonaga
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY