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last 30 patents
Information
Patent Grant
Silicon wafer and manufacturing method of the same
Patent number
12,142,645
Issue date
Nov 12, 2024
Sumco Corporation
Kazuhisa Torigoe
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method of reducing wrap imparted to silicon wafer by semiconductor...
Patent number
12,004,344
Issue date
Jun 4, 2024
Sumco Corporation
Toshiaki Ono
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of estimating convection pattern of silicon melt, method of...
Patent number
11,885,038
Issue date
Jan 30, 2024
Sumco Corporation
Wataru Sugimura
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method for setting a nitrogen concentration of a silicon epitaxial...
Patent number
11,888,036
Issue date
Jan 30, 2024
Sumco Corporation
Kazuya Kodani
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silicon wafer and manufacturing method of the same
Patent number
11,695,048
Issue date
Jul 4, 2023
Sumco Corporation
Kazuhisa Torigoe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of predicting thermal donor formation behavior in silicon wa...
Patent number
11,121,003
Issue date
Sep 14, 2021
Sumco Corporation
Kazuhisa Torigoe
C30 - CRYSTAL GROWTH
Information
Patent Grant
Silicon wafer
Patent number
11,094,557
Issue date
Aug 17, 2021
Sumco Corporation
Toshiaki Ono
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of producing silicon single crystal ingot and silicon single...
Patent number
11,078,595
Issue date
Aug 3, 2021
Sumco Corporation
Masataka Hourai
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Silicon wafer manufacturing method
Patent number
10,910,328
Issue date
Feb 2, 2021
Sumco Corporation
Bong-Gyun Ko
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Epitaxial silicon wafer
Patent number
10,861,990
Issue date
Dec 8, 2020
Sumco Corporation
Kazuhisa Torigoe
C30 - CRYSTAL GROWTH
Information
Patent Grant
Manufacturing method for group III nitride semiconductor substrate...
Patent number
10,777,704
Issue date
Sep 15, 2020
Sumco Corporation
Koji Matsumoto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Epitaxial silicon wafer and method for producing the epitaxial sili...
Patent number
10,192,754
Issue date
Jan 29, 2019
Sumco Corporation
Jun Fujise
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Epitaxial silicon wafer
Patent number
10,020,203
Issue date
Jul 10, 2018
Sumco Corporation
Yasuo Koike
C30 - CRYSTAL GROWTH
Information
Patent Grant
Quality evaluation method for silicon wafer, and silicon wafer and...
Patent number
9,995,693
Issue date
Jun 12, 2018
Sumco Corporation
Jun Fujise
C30 - CRYSTAL GROWTH
Information
Patent Grant
Epitaxial wafer and method of manufacturing the same
Patent number
9,991,386
Issue date
Jun 5, 2018
Sumco Corporation
Toshiaki Ono
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Epitaxial-silicon-wafer manufacturing method and epitaxial silicon...
Patent number
9,818,609
Issue date
Nov 14, 2017
Sumco Corporation
Kazuhisa Torigoe
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Quality evaluation method for silicon wafer, and silicon wafer and...
Patent number
9,748,112
Issue date
Aug 29, 2017
Sumco Corporation
Jun Fujise
C30 - CRYSTAL GROWTH
Information
Patent Grant
Silicon wafer and method of manufacturing thereof, and method of ma...
Patent number
9,502,266
Issue date
Nov 22, 2016
Sumco Corporation
Toshiaki Ono
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Epitaxial silicon wafer and method for manufacturing same
Patent number
9,412,622
Issue date
Aug 9, 2016
Sumco Corporation
Toshiaki Ono
C30 - CRYSTAL GROWTH
Information
Patent Grant
Epitaxial wafer and method of manufacturing the same
Patent number
9,362,114
Issue date
Jun 7, 2016
Sumco Corporation
Toshiaki Ono
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Manufacturing method of epitaxial silicon wafer
Patent number
9,281,216
Issue date
Mar 8, 2016
Sumco Corporation
Kazuhisa Torigoe
C30 - CRYSTAL GROWTH
Information
Patent Grant
Silicon wafer and manufacturing method thereof
Patent number
9,243,345
Issue date
Jan 26, 2016
Sumco Corporation
Toshiaki Ono
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Method for manufacturing epitaxial wafer
Patent number
8,920,560
Issue date
Dec 30, 2014
Sumco Corporation
Yasuo Koike
C30 - CRYSTAL GROWTH
Information
Patent Grant
Silicon wafer and manufacturing method thereof
Patent number
8,890,291
Issue date
Nov 18, 2014
Sumco Corporation
Toshiaki Ono
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Silicon wafer and method of manufacturing same
Patent number
8,765,492
Issue date
Jul 1, 2014
Sumco Corporation
Toshiaki Ono
C30 - CRYSTAL GROWTH
Information
Patent Grant
Silicon wafer and method for manufacturing the same
Patent number
8,758,505
Issue date
Jun 24, 2014
Sumitomo Mitsubishi Silicon Corporation
Toshiaki Ono
C30 - CRYSTAL GROWTH
Information
Patent Grant
Silicon single crystal wafer for IGBT and method for manufacturing...
Patent number
8,617,311
Issue date
Dec 31, 2013
Sumco Corporation
Toshiaki Ono
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method and jig for holding silicon wafer
Patent number
8,419,001
Issue date
Apr 16, 2013
Sumco Corporation
Toshiaki Ono
C30 - CRYSTAL GROWTH
Information
Patent Grant
Silicon wafer and its manufacturing method
Patent number
7,936,051
Issue date
May 3, 2011
Sumco Corporation
Toshiaki Ono
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silicon wafer and method for manufacturing the same
Patent number
7,824,493
Issue date
Nov 2, 2010
Sumitomo Mitsubishi Silicon Corporation
Toshiaki Ono
C30 - CRYSTAL GROWTH
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR MANUFACTURING GROUP III NITRIDE SEMICONDUCTOR SUBSTRATE
Publication number
20240071756
Publication date
Feb 29, 2024
SUMCO CORPORATION
Koji MATSUMOTO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SILICON WAFER AND MANUFACTURING METHOD OF THE SAME
Publication number
20230307505
Publication date
Sep 28, 2023
SUMCO CORPORATION
Kazuhisa TORIGOE
C30 - CRYSTAL GROWTH
Information
Patent Application
SILICON WAFER AND EPITAXIAL SILICON WAFER
Publication number
20230133472
Publication date
May 4, 2023
SUMCO CORPORATION
Kohtaroh KOGA
C30 - CRYSTAL GROWTH
Information
Patent Application
EPITAXIAL SILICON WAFER FOR MANUFACTURING SEMICONDUCTOR DEVICE AND...
Publication number
20220319851
Publication date
Oct 6, 2022
SUMCO CORPORATION
Kazuya KODANI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SILICON WAFER
Publication number
20220093624
Publication date
Mar 24, 2022
SUMCO CORPORATION
Toshiaki ONO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SILICON WAFER AND MANUFACTURING METHOD OF THE SAME
Publication number
20210320177
Publication date
Oct 14, 2021
SUMCO CORPORATION
Kazuhisa TORIGOE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
GROUP III NITRIDE SEMICONDUCTOR SUBSTRATE AND MANUFACTURING METHOD...
Publication number
20210210340
Publication date
Jul 8, 2021
SUMCO CORPORATION
Koji MATSUMOTO
C30 - CRYSTAL GROWTH
Information
Patent Application
METHOD FOR MANUFACTURING GROUP III NITRIDE SEMICONDUCTOR SUBSTRATE
Publication number
20210151314
Publication date
May 20, 2021
SUMCO CORPORATION
Koji MATSUMOTO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF ESTIMATING CONVECTION PATTERN OF SILICON MELT, METHOD OF...
Publication number
20200399780
Publication date
Dec 24, 2020
SUMCO CORPORATION
Wataru SUGIMURA
C30 - CRYSTAL GROWTH
Information
Patent Application
SILICON WAFER
Publication number
20200176461
Publication date
Jun 4, 2020
SUMCO CORPORATION
Toshiaki ONO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF PREDICTING THERMAL DONOR FORMATION BEHAVIOR IN SILICON WA...
Publication number
20200105542
Publication date
Apr 2, 2020
SUMCO CORPORATION
Kazuhisa Torigoe
C30 - CRYSTAL GROWTH
Information
Patent Application
SILICON WAFER MANUFACTURING METHOD
Publication number
20200091089
Publication date
Mar 19, 2020
SUMCO CORPORATION
Bong-Gyun KO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SILICON WAFER
Publication number
20200083060
Publication date
Mar 12, 2020
SUMCO CORPORATION
Toshiaki ONO
C30 - CRYSTAL GROWTH
Information
Patent Application
EPITAXIAL SILICON WAFER AND METHOD FOR MANUFACTURING EPITAXIAL SILI...
Publication number
20200051817
Publication date
Feb 13, 2020
SUMCO CORPORATION
Kazuya KODANI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
EPITAXIAL SILICON WAFER
Publication number
20200020817
Publication date
Jan 16, 2020
SUMCO CORPORATION
Kazuhisa TORIGOE
C30 - CRYSTAL GROWTH
Information
Patent Application
METHOD OF PRODUCING SILICON SINGLE CRYSTAL INGOT AND SILICON SINGLE...
Publication number
20190352796
Publication date
Nov 21, 2019
SUMCO CORPORATION
Masataka HOURAI
C01 - INORGANIC CHEMISTRY
Information
Patent Application
MANUFACTURING METHOD FOR GROUP III NITRIDE SEMICONDUCTOR SUBSTRATE...
Publication number
20180337306
Publication date
Nov 22, 2018
SUMCO CORPORATION
Koji MATSUMOTO
C30 - CRYSTAL GROWTH
Information
Patent Application
EPITAXIAL SILICON WAFER
Publication number
20180204960
Publication date
Jul 19, 2018
SUMCO CORPORATION
Kazuhisa TORIGOE
C30 - CRYSTAL GROWTH
Information
Patent Application
EPITAXIAL SILICON WAFER
Publication number
20180197751
Publication date
Jul 12, 2018
SUMCO CORPORATION
Yasuo KOIKE
C30 - CRYSTAL GROWTH
Information
Patent Application
EPITAXIAL SILICON WAFER AND METHOD FOR PRODUCING THE EPITAXIAL SILI...
Publication number
20170076959
Publication date
Mar 16, 2017
SUMCO CORPORATION
Jun Fujise
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
EPITAXIAL-SILICON-WAFER MANUFACTURING METHOD AND EPITAXIAL SILICON...
Publication number
20170011918
Publication date
Jan 12, 2017
SUMCO CORPORATION
Kazuhisa TORIGOE
C30 - CRYSTAL GROWTH
Information
Patent Application
QUALITY EVALUATION METHOD FOR SILICON WAFER, AND SILICON WAFER AND...
Publication number
20160377554
Publication date
Dec 29, 2016
SUMCO CORPORATION
Jun FUJISE
C30 - CRYSTAL GROWTH
Information
Patent Application
QUALITY EVALUATION METHOD FOR SILICON WAFER, AND SILICON WAFER AND...
Publication number
20160247694
Publication date
Aug 25, 2016
SUMCO CORPORATION
Jun FUJISE
C30 - CRYSTAL GROWTH
Information
Patent Application
EPITAXIAL WAFER AND METHOD OF MANUFACTURING THE SAME
Publication number
20160240677
Publication date
Aug 18, 2016
SUMCO CORPORATION
Toshiaki ONO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
EPITAXIAL SILICON WAFER AND METHOD FOR MANUFACTURING SAME
Publication number
20160042974
Publication date
Feb 11, 2016
SUMCO CORPORATION
Toshiaki ONO
C30 - CRYSTAL GROWTH
Information
Patent Application
MANUFACTURING METHOD OF EPITAXIAL SILICON WAFER
Publication number
20160035583
Publication date
Feb 4, 2016
SUMCO CORPORATION
Kazuhisa TORIGOE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SILICON WAFER AND MANUFACTURING METHOD THEREOF
Publication number
20150054134
Publication date
Feb 26, 2015
SUMCO CORPORATION
Toshiaki ONO
C30 - CRYSTAL GROWTH
Information
Patent Application
METHOD AND JIG FOR HOLDING SILICON WAFER
Publication number
20130140752
Publication date
Jun 6, 2013
Toshiaki Ono
C30 - CRYSTAL GROWTH
Information
Patent Application
SILICON WAFER AND METHOD OF MANUFACTURING THEREOF, AND METHOD OF MA...
Publication number
20120306052
Publication date
Dec 6, 2012
SUMCO CORPORATION
Toshiaki Ono
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SILICON WAFER AND MANUFACTURING METHOD
Publication number
20120043644
Publication date
Feb 23, 2012
SUMCO CORPORATION
Toshiaki Ono
C30 - CRYSTAL GROWTH