Takashi YOSHII

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Jyoetsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Photomask blank, method for manufacturing photomask, and mask patte...
- Patent number 10,585,345
- Issue date Mar 10, 2020
- Shin-Etsu Chemical Co., Ltd.
- Shigeo Irie
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photomask blank, making method, and photomask
- Patent number 9,952,501
- Issue date Apr 24, 2018
- Shin-Etsu Chemical Co., Ltd.
- Souichi Fukaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photomask blank and method for manufacturing photomask blank
- Patent number 9,709,885
- Issue date Jul 18, 2017
- Shin-Etsu Chemical Co., Ltd.
- Yukio Inazuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photomask blank and method for manufacturing photomask blank
- Patent number 9,488,906
- Issue date Nov 8, 2016
- Shin-Etsu Chemical Co., Ltd.
- Yukio Inazuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for manufacturing photomask blank
- Patent number 9,400,422
- Issue date Jul 26, 2016
- Shin-Etsu Chemical Co., Ltd.
- Takashi Yoshii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
PHOTOMASK BLANK, METHOD FOR MANUFACTURING PHOTOMASK, AND MASK PATTE...
- Publication number 20180267398
- Publication date Sep 20, 2018
- Shin-Etsu Chemical Co., Ltd.
- Shigeo IRIE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PHOTOMASK BLANK, MAKING METHOD, AND PHOTOMASK
- Publication number 20170082917
- Publication date Mar 23, 2017
- Shin-Etsu Chemical Co., Ltd.
- Souichi FUKAYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PHOTOMASK BLANK AND METHOD FOR MANUFACTURING PHOTOMASK BLANK
- Publication number 20170023855
- Publication date Jan 26, 2017
- Shin-Etsu Chemical Co., Ltd.
- Yukio INAZUKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PHOTOMASK BLANK AND METHOD FOR MANUFACTURING PHOTOMASK BLANK
- Publication number 20150086908
- Publication date Mar 26, 2015
- Shin-Etsu Chemical Co., Ltd.
- Yukio INAZUKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD FOR MANUFACTURING PHOTOMASK BLANK
- Publication number 20150086909
- Publication date Mar 26, 2015
- Shin-Etsu Chemical Co., Ltd.
- Takashi YOSHII
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY