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Yoshinori Kinase
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Joetsu-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Etching method and photomask blank processing method
Patent number
8,920,666
Issue date
Dec 30, 2014
Shin-Etsu Chemical Co., Ltd.
Shinichi Igarashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photomask making method
Patent number
8,309,277
Issue date
Nov 13, 2012
Shin-Etsu Chemical Co., Ltd.
Shinichi Igarashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photomask blank, photomask and fabrication method thereof
Patent number
7,771,893
Issue date
Aug 10, 2010
Shin-Etsu Chemical Co., Ltd.
Hiroki Yoshikawa
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Photomask blank, photomask and fabrication method thereof
Patent number
7,625,676
Issue date
Dec 1, 2009
Shin-Etsu Chemical Co., Ltd.
Hiroki Yoshikawa
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Half-tone stacked film, photomask-blank, photomask and fabrication...
Patent number
7,625,677
Issue date
Dec 1, 2009
Shin-Etsu Chemical Co., Ltd.
Hiroki Yoshikawa
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Photomask blank, photomask and method for producing those
Patent number
7,618,753
Issue date
Nov 17, 2009
Shin-Etsu Chemical Co., Ltd.
Hiroki Yoshikawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
PHOTOMASK MAKING METHOD
Publication number
20100316942
Publication date
Dec 16, 2010
Shinichi IGARASHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ETCHING METHOD AND PHOTOMASK BLANK PROCESSING METHOD
Publication number
20100291478
Publication date
Nov 18, 2010
Shinichi IGARASHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Photomask Blank, Photomask and Method for Producing Those
Publication number
20070259276
Publication date
Nov 8, 2007
Hiroki Yoshikawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Photomask blank, photomask and fabrication method thereof
Publication number
20070020534
Publication date
Jan 25, 2007
Hiroki Yoshikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Half-tone stacked film, photomask-blank, photomask and fabrication...
Publication number
20060177746
Publication date
Aug 10, 2006
Hiroki Yoshikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Photomask blank, photomask and fabrication method thereof
Publication number
20060088774
Publication date
Apr 27, 2006
Hiroki Yoshikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY