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Noriyasu Fukushima
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Nakakubiki-gun, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of fabricating photomask blank
Patent number
7,767,368
Issue date
Aug 3, 2010
Shin-Etsu Chemical Co., Ltd.
Noriyasu Fukushima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photomask blank, photomask, and method of manufacture
Patent number
7,736,824
Issue date
Jun 15, 2010
Shin-Etsu Chemical Co., Ltd.
Hiroki Yoshikawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Fabrication method of photomask-blank
Patent number
7,632,609
Issue date
Dec 15, 2009
Shin-Etsu Chemical Co., Ltd.
Noriyasu Fukushima
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Preparation of photomask blank and photomask
Patent number
7,514,185
Issue date
Apr 7, 2009
Shin-Estu Chemical Co., Ltd.
Noriyasu Fukushima
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of producing phase shift mask blank, method of producing pha...
Patent number
7,344,806
Issue date
Mar 18, 2008
Shin-Etsu Chemical Co., Ltd.
Hiroki Yoshikawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Photomask blank, photomask, and method of manufacture
Patent number
7,329,474
Issue date
Feb 12, 2008
Shin-Estu Chemical Co., Ltd.
Hiroki Yoshikawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
PHOTOMASK BLANK, PHOTOMASK, AND METHOD OF MANUFACTURE
Publication number
20080090159
Publication date
Apr 17, 2008
Hiroki Yoshikawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Method of fabricating photomask blank
Publication number
20080076040
Publication date
Mar 27, 2008
Noriyasu Fukushima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Fabrication method of photomask-blank
Publication number
20070092807
Publication date
Apr 26, 2007
Shin-Etsu Chemical Co., Ltd.
Noriyasu Fukushima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Preparation of photomask blank and photomask
Publication number
20050260505
Publication date
Nov 24, 2005
Shin-Etsu Chemical Co., Ltd.
Noriyasu Fukushima
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Photomask blank, photomask, and method of manufacture
Publication number
20040197679
Publication date
Oct 7, 2004
Hiroki Yoshikawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Method of producing phase shift mask blank, method of producing pha...
Publication number
20040191646
Publication date
Sep 30, 2004
Shin-Etsu Chemical Co., Ltd.
Hiroki Yoshikawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...