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Daiyu Okafuji
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Joetsu-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Rectangular substrate for imprint lithography and making method
Patent number
11,904,521
Issue date
Feb 20, 2024
Shin-Etsu Chemical Co., Ltd.
Daiyu Okafuji
B24 - GRINDING POLISHING
Information
Patent Grant
Synthetic quartz glass cavity member, synthetic quartz glass cavity...
Patent number
11,757,067
Issue date
Sep 12, 2023
Shin-Etsu Chemical Co., Ltd.
Harunobu Matsui
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Synthetic quartz glass cavity member, synthetic quartz glass cavity...
Patent number
11,424,389
Issue date
Aug 23, 2022
Shin-Etsu Chemical Co., Ltd.
Harunobu Matsui
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Imprint mold-forming synthetic quartz glass substrate
Patent number
11,402,751
Issue date
Aug 2, 2022
Shin-Etsu Chemical Co., Ltd.
Hiroyuki Yamazaki
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Electronic grade glass substrate and making method
Patent number
9,902,037
Issue date
Feb 27, 2018
Shin-Etsu Chemical Co., Ltd.
Daiyu Okafuji
B24 - GRINDING POLISHING
Information
Patent Grant
Rectangular substrate for imprint lithography and making method
Patent number
9,884,448
Issue date
Feb 6, 2018
Shin-Etsu Chemical Co., Ltd.
Daiyu Okafuji
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Rectangular mold-forming substrate
Patent number
9,505,166
Issue date
Nov 29, 2016
Shin-Etsu Chemical Co., Ltd.
Daijitsu Harada
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Electronic grade glass substrate and making method
Patent number
9,205,528
Issue date
Dec 8, 2015
Shin-Etsu Chemical Co., Ltd.
Daiyu Okafuji
B24 - GRINDING POLISHING
Information
Patent Grant
Method for manufacturing electronic grade synthetic quartz glass su...
Patent number
9,017,143
Issue date
Apr 28, 2015
Shin-Etsu Chemical Co., Ltd.
Daiyu Okafuji
B24 - GRINDING POLISHING
Information
Patent Grant
Method for manufacturing electronic grade synthetic quartz glass su...
Patent number
9,017,144
Issue date
Apr 28, 2015
Shin-Etsu Chemical Co., Ltd.
Daiyu Okafuji
B24 - GRINDING POLISHING
Patents Applications
last 30 patents
Information
Patent Application
SYNTHETIC QUARTZ GLASS CAVITY MEMBER, SYNTHETIC QUARTZ GLASS CAVITY...
Publication number
20220352427
Publication date
Nov 3, 2022
Shin-Etsu Chemical Co., Ltd.
Harunobu Matsui
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
IMPRINT MOLD-FORMING SYNTHETIC QUARTZ GLASS SUBSTRATE
Publication number
20220091501
Publication date
Mar 24, 2022
Shin-Etsu Chemical Co., Ltd.
Hiroyuki Yamazaki
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
MANUFACTURING OF IMPRINT MOLD-FORMING SUBSTRATE
Publication number
20220088832
Publication date
Mar 24, 2022
Shin-Etsu Chemical Co., Ltd.
Hiroyuki Yamazaki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
SYNTHETIC QUARTZ GLASS CAVITY MEMBER, SYNTHETIC QUARTZ GLASS CAVITY...
Publication number
20200028031
Publication date
Jan 23, 2020
Shin-Etsu Chemical Co., Ltd.
Harunobu Matsui
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RECTANGULAR SUBSTRATE FOR IMPRINT LITHOGRAPHY AND MAKING METHOD
Publication number
20180079130
Publication date
Mar 22, 2018
Shin-Etsu Chemical Co., Ltd.
Daiyu Okafuji
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
ELECTRONIC GRADE GLASS SUBSTRATE AND MAKING METHOD
Publication number
20160067843
Publication date
Mar 10, 2016
Shin-Etsu Chemical Co., Ltd.
Daiyu Okafuji
B24 - GRINDING POLISHING
Information
Patent Application
RECTANGULAR SUBSTRATE FOR IMPRINT LITHOGRAPHY AND MAKING METHOD
Publication number
20160052193
Publication date
Feb 25, 2016
Shin-Etsu Chemical Co., Ltd.
Daiyu Okafuji
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
RECTANGULAR MOLD-FORMING SUBSTRATE
Publication number
20140120198
Publication date
May 1, 2014
Shin-Etsu Chemical Co., Ltd.
Daijitsu HARADA
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
ELECTRONIC GRADE GLASS SUBSTRATE AND MAKING METHOD
Publication number
20130101790
Publication date
Apr 25, 2013
Shin-Etsu Chemical Co., Ltd.
Daiyu Okafuji
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
METHOD FOR MANUFACTURING ELECTRONIC GRADE SYNTHETIC QUARTZ GLASS SU...
Publication number
20110318995
Publication date
Dec 29, 2011
Shin-Etsu Chemical Co., Ltd.
Daiyu Okafuji
B24 - GRINDING POLISHING
Information
Patent Application
METHOD FOR MANUFACTURING ELECTRONIC GRADE SYNTHETIC QUARTZ GLASS SU...
Publication number
20110318996
Publication date
Dec 29, 2011
Shin-Etsu Chemical Co., Ltd.
Daiyu Okafuji
B24 - GRINDING POLISHING