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Eriko KITAHARA
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Akita-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Quartz glass crucible
Patent number
12,116,692
Issue date
Oct 15, 2024
Sumco Corporation
Takeshi Fujita
C30 - CRYSTAL GROWTH
Information
Patent Grant
Quartz glass crucible, manufacturing method of silicon single cryst...
Patent number
11,939,695
Issue date
Mar 26, 2024
Sumco Corporation
Ken Kitahara
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method and apparatus for measuring transmittance of quartz crucible
Patent number
11,703,452
Issue date
Jul 18, 2023
Sumco Corporation
Yasunobu Shimizu
G01 - MEASURING TESTING
Information
Patent Grant
Quartz glass crucible and manufacturing method thereof
Patent number
11,473,209
Issue date
Oct 18, 2022
Sumco Corporation
Hiroshi Kishi
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Silica glass crucible and method for producing monocrystalline sili...
Patent number
10,266,961
Issue date
Apr 23, 2019
Sumco Corporation
Toshiaki Sudo
C30 - CRYSTAL GROWTH
Information
Patent Grant
Vitreous silica crucible and evaluation method of the same
Patent number
10,024,784
Issue date
Jul 17, 2018
Sumco Corporation
Toshiaki Sudo
C30 - CRYSTAL GROWTH
Information
Patent Grant
Destructive inspection method and quality determination method for...
Patent number
9,964,478
Issue date
May 8, 2018
Sumco Corporation
Ken Kitahara
C30 - CRYSTAL GROWTH
Information
Patent Grant
Vitreous silica crucible
Patent number
9,932,692
Issue date
Apr 3, 2018
Sumco Corporation
Toshiaki Sudo
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method for pulling silicon single crystal
Patent number
9,863,059
Issue date
Jan 9, 2018
Sumco Corporation
Toshiaki Sudo
C30 - CRYSTAL GROWTH
Information
Patent Grant
Vitreous silica crucible and method for manufacturing the same
Patent number
9,863,061
Issue date
Jan 9, 2018
Sumco Corporation
Toshiaki Sudo
C30 - CRYSTAL GROWTH
Information
Patent Grant
Vitreous silica crucible and distortion-measuring apparatus for the...
Patent number
9,816,917
Issue date
Nov 14, 2017
Sumco Corporation
Toshiaki Sudo
C30 - CRYSTAL GROWTH
Information
Patent Grant
Vitreous silica crucible for pulling of silicon single crystal and...
Patent number
9,758,901
Issue date
Sep 12, 2017
Sumco Corporation
Toshiaki Sudo
C30 - CRYSTAL GROWTH
Information
Patent Grant
Device for assisting with setting of manufacturing conditions for s...
Patent number
9,754,052
Issue date
Sep 5, 2017
Sumco Corporation
Toshiaki Sudo
C30 - CRYSTAL GROWTH
Patents Applications
last 30 patents
Information
Patent Application
QUARTZ GLASS CRUCIBLE, MANUFACTURING METHOD THEREOF, AND MANUFACTUR...
Publication number
20240279106
Publication date
Aug 22, 2024
SUMCO CORPORATION
Masami OHARA
C30 - CRYSTAL GROWTH
Information
Patent Application
QUARTZ GLASS CRUCIBLE, MANUFACTURING METHOD THEREOF, AND MANUFACTUR...
Publication number
20240254651
Publication date
Aug 1, 2024
SUMCO CORPORATION
Masami OHARA
C30 - CRYSTAL GROWTH
Information
Patent Application
INFRARED TRANSMISSIVITY MEASUREMENT METHOD OF QUARTZ GLASS CRUCIBLE
Publication number
20240183062
Publication date
Jun 6, 2024
SUMCO CORPORATION
Ken KITAHARA
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
QUARTZ GLASS CRUCIBLE, MANUFACTURING METHOD THEREFOR, AND METHOD FO...
Publication number
20240011183
Publication date
Jan 11, 2024
SUMCO CORPORATION
Eriko KITAHARA
C30 - CRYSTAL GROWTH
Information
Patent Application
QUARTZ GLASS CRUCIBLE AND MANUFACTURING METHOD THEREOF
Publication number
20230010489
Publication date
Jan 12, 2023
SUMCO CORPORATION
Masami OHARA
C30 - CRYSTAL GROWTH
Information
Patent Application
QUARTZ GLASS CRUCIBLE
Publication number
20220090290
Publication date
Mar 24, 2022
SUMCO CORPORATION
Takeshi FUJITA
C30 - CRYSTAL GROWTH
Information
Patent Application
QUARTZ GLASS CRUCIBLE, MANUFACTURING METHOD OF SILICON SINGLE CRYST...
Publication number
20220090291
Publication date
Mar 24, 2022
SUMCO CORPORATION
Ken KITAHARA
C30 - CRYSTAL GROWTH
Information
Patent Application
METHOD AND APPARATUS FOR MEASURING TRANSMITTANCE OF QUARTZ CRUCIBLE
Publication number
20210181106
Publication date
Jun 17, 2021
SUMCO CORPORATION
Yasunobu SHIMIZU
G01 - MEASURING TESTING
Information
Patent Application
QUARTZ GLASS CRUCIBLE AND MANUFACTURING METHOD THEREOF
Publication number
20200115820
Publication date
Apr 16, 2020
SUMCO CORPORATION
Hiroshi KISHI
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
VITREOUS SILICA CRUCIBLE AND EVALUATION METHOD OF THE SAME
Publication number
20180045639
Publication date
Feb 15, 2018
SUMCO CORPORATION
Toshiaki SUDO
C30 - CRYSTAL GROWTH
Information
Patent Application
DESTRUCTIVE INSPECTION METHOD AND QUALITY DETERMINATION METHOD FOR...
Publication number
20170292901
Publication date
Oct 12, 2017
SUMCO CORPORATION
Ken KITAHARA
C30 - CRYSTAL GROWTH
Information
Patent Application
MANUFACTURING METHOD AND MANUFACTURING SYSTEM FOR SILICON SINGLE CR...
Publication number
20170292204
Publication date
Oct 12, 2017
SUMCO CORPORATION
Tadahiro SATO
C30 - CRYSTAL GROWTH
Information
Patent Application
VITREOUS SILICA CRUCIBLE AND DISTORTION-MEASURING APPARATUS FOR THE...
Publication number
20160313234
Publication date
Oct 27, 2016
SUMCO CORPORATION
Toshiaki SUDO
G01 - MEASURING TESTING
Information
Patent Application
VITREOUS SILICA CRUCIBLE AND METHOD FOR MANUFACTURING THE SAME
Publication number
20160289862
Publication date
Oct 6, 2016
SUMCO CORPORATION
Toshiaki SUDO
C30 - CRYSTAL GROWTH
Information
Patent Application
VITREOUS SILICA CRUCIBLE
Publication number
20160201216
Publication date
Jul 14, 2016
SUMCO CORPORATION
Toshiaki SUDO
C30 - CRYSTAL GROWTH
Information
Patent Application
METHOD FOR PULLING SILICON SINGLE CRYSTAL
Publication number
20160153116
Publication date
Jun 2, 2016
SUMCO CORPORATION
Toshiaki SUDO
C30 - CRYSTAL GROWTH
Information
Patent Application
VITREOUS SILICA CRUCIBLE FOR PULLING OF SILICON SINGLE CRYSTAL AND...
Publication number
20160108550
Publication date
Apr 21, 2016
SUMCO CORPORATION
Toshiaki SUDO
C30 - CRYSTAL GROWTH
Information
Patent Application
DEVICE FOR ASSISTING WITH SETTING OF MANUFACTURING CONDITIONS FOR S...
Publication number
20140358270
Publication date
Dec 4, 2014
Toshiaki SUDO
C30 - CRYSTAL GROWTH
Information
Patent Application
SILICA GLASS CRUCIBLE AND METHOD FOR PRODUCING MONOCRYSTALLINE SILI...
Publication number
20140352606
Publication date
Dec 4, 2014
Toshiaki Sudo
C30 - CRYSTAL GROWTH
Information
Patent Application
METHOD FOR EVALUATING SILICA GLASS CRUCIBLE, METHOD FOR PRODUCING S...
Publication number
20140326172
Publication date
Nov 6, 2014
SUMCO CORPORATION
Toshiaki Sudo
C30 - CRYSTAL GROWTH