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Ichihara, JP
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Patents Grants
last 30 patents
Information
Patent Grant
SiC epitaxial wafer and method for manufacturing same
Patent number
11,705,329
Issue date
Jul 18, 2023
Showa Denko K.K.
Koji Kamei
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
SiC epitaxial wafer containing large pit defects with a surface den...
Patent number
11,320,388
Issue date
May 3, 2022
Showa Denko K.K.
Ling Guo
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for producing a SiC epitaxial wafer containing a total densi...
Patent number
11,293,115
Issue date
Apr 5, 2022
Showa Denko K.K.
Ling Guo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
SiC substrate evaluation method and method for manufacturing SiC ep...
Patent number
11,249,027
Issue date
Feb 15, 2022
Showa Denko K.K.
Yoshitaka Nishihara
G01 - MEASURING TESTING
Information
Patent Grant
SiC substrate, SiC epitaxial wafer, and method of manufacturing the...
Patent number
10,985,042
Issue date
Apr 20, 2021
Showa Denko K.K.
Yoshitaka Nishihara
C30 - CRYSTAL GROWTH
Information
Patent Grant
SiC wafer defect measuring method, reference sample, and method of...
Patent number
10,955,350
Issue date
Mar 23, 2021
Showa Denko K.K.
Koji Kamei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
SiC epitaxial wafer and method for manufacturing SiC epitaxial wafer
Patent number
10,865,500
Issue date
Dec 15, 2020
Showa Denko K.K.
Jun Norimatsu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
SiC substrate evaluation method and method for manufacturing SiC ep...
Patent number
10,697,898
Issue date
Jun 30, 2020
Showa Denko K.K.
Yoshitaka Nishihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Group III nitride semiconductor light-emitting device
Patent number
8,866,186
Issue date
Oct 21, 2014
Toyoda Gosei Co., Ltd.
Gaku Oriji
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light emission element
Patent number
8,829,555
Issue date
Sep 9, 2014
Toyoda Gosei Co., Ltd.
Koji Kamei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light emitting element and method for manufacturing s...
Patent number
8,748,903
Issue date
Jun 10, 2014
Toyoda Gosei Co., Ltd.
Koji Kamei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gallium nitride-based compound semiconductor light-emitting device...
Patent number
8,093,605
Issue date
Jan 10, 2012
Showa Denko K.K.
Koji Kamei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gallium nitride-based compound semiconductor light emitting device
Patent number
8,049,243
Issue date
Nov 1, 2011
Showa Denko K.K.
Koji Kamei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gallium nitride-based compound semiconductor light-emitting device
Patent number
7,952,116
Issue date
May 31, 2011
Showa Denko K.K.
Koji Kamei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Transparent positive electrode
Patent number
7,875,896
Issue date
Jan 25, 2011
Showa Denko K.K.
Munetaka Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gallium nitride-based compound semiconductor light-emitting device
Patent number
7,759,690
Issue date
Jul 20, 2010
Showa Denko K.K.
Hisayuki Miki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gallium nitride-based compound semiconductor light-emitting device
Patent number
7,741,653
Issue date
Jun 22, 2010
Showa Denko K.K.
Koji Kamei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Positive electrode for compound semiconductor light-emitting device
Patent number
7,544,974
Issue date
Jun 9, 2009
Showa Denko K.K.
Koji Kamei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gallium nitride-based compound semiconductor light-emitting device...
Patent number
7,518,163
Issue date
Apr 14, 2009
Showa Denko K.K.
Koji Kamei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gallium nitride-based compound semiconductor light-emitting device...
Patent number
7,452,740
Issue date
Nov 18, 2008
Showa Denko K.K.
Koji Kamei
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
SiC EPITAXIAL WAFER AND METHOD FOR MANUFACTURING SAME
Publication number
20230268177
Publication date
Aug 24, 2023
SHOWA DENKO K.K.
Koji KAMEI
C01 - INORGANIC CHEMISTRY
Information
Patent Application
SiC EPITAXIAL WAFER, PRODUCTION METHOD THEREFOR, AND DEFECT IDENTIF...
Publication number
20220259764
Publication date
Aug 18, 2022
SHOWA DENKO K.K.
Ling GUO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SIC SUBSTRATE EVALUATION METHOD AND METHOD FOR MANUFACTURING SIC EP...
Publication number
20200284732
Publication date
Sep 10, 2020
SHOWA DENKO K.K.
Yoshitaka NISHIHARA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SiC EPITAXIAL WAFER AND METHOD FOR MANUFACTURING SAME
Publication number
20200203163
Publication date
Jun 25, 2020
SHOWA DENKO K.K.
Koji KAMEI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
SiC SUBSTRATE, SiC EPITAXIAL WAFER, AND METHOD OF MANUFACTURING THE...
Publication number
20200118854
Publication date
Apr 16, 2020
SHOWA DENKO K.K.
Yoshitaka NISHIHARA
C30 - CRYSTAL GROWTH
Information
Patent Application
SiC SUBSTRATE EVALUATION METHOD AND METHOD FOR MANUFACTURING SiC EP...
Publication number
20200116649
Publication date
Apr 16, 2020
SHOWA DENKO K.K.
Yoshitaka NISHIHARA
G01 - MEASURING TESTING
Information
Patent Application
SiC WAFER DEFECT MEASURING METHOD, REFERENCE SAMPLE, AND METHOD OF...
Publication number
20190331603
Publication date
Oct 31, 2019
SHOWA DENKO K.K.
Koji KAMEI
G01 - MEASURING TESTING
Information
Patent Application
SiC EPITAXIAL WAFER, PRODUCTION METHOD THEREFOR, LARGE PIT DEFECT D...
Publication number
20190187068
Publication date
Jun 20, 2019
SHOWA DENKO K.K.
Ling GUO
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
SiC EPITAXIAL WAFER, PRODUCTION METHOD THEREFOR, AND DEFECT IDENTIF...
Publication number
20190177876
Publication date
Jun 13, 2019
SHOWA DENKO K.K.
Ling GUO
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
EVALUATION METHOD AND MANUFACTURING METHOD OF SiC EPITAXIAL WAFER
Publication number
20190172758
Publication date
Jun 6, 2019
SHOWA DENKO K.K.
Yoshitaka NISHIHARA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SIC EPITAXIAL WAFER AND METHOD FOR MANUFACTURING SIC EPITAXIAL WAFER
Publication number
20180016706
Publication date
Jan 18, 2018
SHOWA DENKO K.K.
Jun NORIMATSU
C30 - CRYSTAL GROWTH
Information
Patent Application
SEMICONDUCTOR LIGHT EMITTING ELEMENT AND METHOD FOR MANUFACTURING S...
Publication number
20120217534
Publication date
Aug 30, 2012
Showa Denko K.K.
Koji Kamei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR LIGHT EMISSION ELEMENT
Publication number
20110316037
Publication date
Dec 29, 2011
Showa Denko K.K.
Koji Kamei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
GALLIUM NITRIDE-BASED COMPOUND SEMICONDUCTOR LIGHT-EMITTING DEVICE
Publication number
20100213501
Publication date
Aug 26, 2010
SHOWA DENKO K.K.
Koji KAMEI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
GROUP III NITRIDE SEMICONDUCTOR LIGHT-EMITTING DEVICE
Publication number
20100181595
Publication date
Jul 22, 2010
Showa Denko K.K.
Gaku Oriji
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
GALLIUM NITRIDE-BASED COMPOUND SEMICONDUCTOR LIGHT-EMITTING DEVICE
Publication number
20100102326
Publication date
Apr 29, 2010
Showa Denko K.K.
Koji KAMEI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Reflective Positive Electrode And Gallium Nitride-Based Compound Se...
Publication number
20090263922
Publication date
Oct 22, 2009
SHOWA DENKO K.K.
Koji KAMEI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
GALLIUM NITRIDE-BASED COMPOUND SEMICONDUCTOR LIGHT-EMITTING DEVICE
Publication number
20090224282
Publication date
Sep 10, 2009
Showa Denko K.K.
Koji Kamei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
GALLIUM NITRIDE-BASED COMPOUND SEMICONDUCTOR LIGHT-EMITTING DEVICE
Publication number
20090078951
Publication date
Mar 26, 2009
Showa Denko K.K.
Hisayuki Miki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Gallium Nitride-Based Compound Semiconductor Light Emitting Device
Publication number
20080315237
Publication date
Dec 25, 2008
Koji Kamei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Reflective Positive Electrode and Gallium Nitride-Based Compound Se...
Publication number
20080283850
Publication date
Nov 20, 2008
Koji Kamei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Transparent Positive Electrode
Publication number
20070200129
Publication date
Aug 30, 2007
SHOWA DENKO K.K.
Munetaka Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Positive electrode for compound semiconductor light-emitting device
Publication number
20070181907
Publication date
Aug 9, 2007
SHOWA DENKO K.K.
Koji Kamei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Gallium nitride-based compound semiconductor light-emitting device
Publication number
20070170461
Publication date
Jul 26, 2007
Koji Kamei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Gallium nitride-based compound semiconductor light-emitting device...
Publication number
20070108458
Publication date
May 17, 2007
SHOWA DENKO K.K.
Koji Kamei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Gallium nitride-based compound semiconductor light-emitting device...
Publication number
20070096126
Publication date
May 3, 2007
Koji Kamei
H01 - BASIC ELECTRIC ELEMENTS