Shigenori Ishihara

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Yamanashi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mask blank, and transfer mask
- Patent number 9,952,498
- Issue date Apr 24, 2018
- Hoya Corporation
- Toshiyuki Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Mask blank, transfer mask, and methods of manufacturing the same
- Patent number 9,470,970
- Issue date Oct 18, 2016
- Hoya Corporation
- Toshiyuki Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for manufacturing half-tone phase shifting mask blanks
- Patent number 7,601,468
- Issue date Oct 13, 2009
- Hoya Corporation
- Masaru Mitsui
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for manufacturing half-tone phase shifting mask blanks
- Patent number 7,141,339
- Issue date Nov 28, 2006
- Hoya Corporation
- Masaru Mitsui
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Photomask blank manufacturing method
- Patent number 7,026,077
- Issue date Apr 11, 2006
- Hoya Corporation
- Masaru Mitsui
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
MASK BLANK, AND TRANSFER MASK
- Publication number 20170010526
- Publication date Jan 12, 2017
- HOYA CORPORATION
- Toshiyuki Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
MASK BLANK, TRANSFER MASK, AND METHODS OF MANUFACTURING THE SAME
- Publication number 20150072273
- Publication date Mar 12, 2015
- HOYA CORPORATION
- Toshiyuki Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Process for manufacturing half-tone phase shifting mask blanks
- Publication number 20070037073
- Publication date Feb 15, 2007
- HOYA CORPORATION
- Masaru Mitsui
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Process for manufacturing half-tone phase shifting mask blanks
- Publication number 20040110072
- Publication date Jun 10, 2004
- HOYA CORPORATION
- Masaru Mitsui
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Photomask blank manufacturing method
- Publication number 20030228528
- Publication date Dec 11, 2003
- Hoya Corporation
- Masaru Mitsui
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...