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Keisuke Kawamura
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Sakai-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Compound semiconductor device, compound semiconductor substrate, an...
Patent number
12,087,852
Issue date
Sep 10, 2024
Air Water Inc.
Shigeomi Hishiki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compound semiconductor substrate including electron transition laye...
Patent number
11,316,018
Issue date
Apr 26, 2022
Air Water Inc.
Mitsuhisa Narukawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compound semiconductor substrate with SiC layer
Patent number
10,354,864
Issue date
Jul 16, 2019
Air Water Inc.
Mitsuhisa Narukawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Composite semiconductor substrate
Patent number
10,186,421
Issue date
Jan 22, 2019
Air Water Inc.
Akira Fukazawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing single crystal 3C-SiC substrate and single...
Patent number
8,986,448
Issue date
Mar 24, 2015
Air Water Inc.
Hidetoshi Asamura
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Method for manufacturing nitrogen compound semiconductor substrate...
Patent number
8,563,442
Issue date
Oct 22, 2013
Air Water Inc.
Keisuke Kawamura
C30 - CRYSTAL GROWTH
Patents Applications
last 30 patents
Information
Patent Application
COMPOUND SEMICONDUCTOR SUBSTRATE AND COMPOUND SEMICONDUCTOR DEVICE
Publication number
20230343865
Publication date
Oct 26, 2023
AIR WATER INC.
Keisuke KAWAMURA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND SEMICONDUCTOR SUBSTRATE AND METHOD FOR MANUFACTURING COMPO...
Publication number
20230215922
Publication date
Jul 6, 2023
AIR WATER INC.
Sumito OUCHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FILM-FORMING APPARATUS AND METHOD OF USING FILM-FORMING APPARATUS
Publication number
20220389576
Publication date
Dec 8, 2022
AIR WATER INC.
Hiroki URATANI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
COMPOUND SEMICONDUCTOR SUBSTRATE
Publication number
20220077288
Publication date
Mar 10, 2022
AIR WATER INC.
Sumito OUCHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND SEMICONDUCTOR SUBSTRATE
Publication number
20220069090
Publication date
Mar 3, 2022
AIR WATER INC.
Hiroki Suzuki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND SEMICONDUCTOR DEVICE, COMPOUND SEMICONDUCTOR SUBSTRATE, AN...
Publication number
20220005945
Publication date
Jan 6, 2022
AIR WATER INC.
Shigeomi HISHIKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND SEMICONDUCTOR SUBSTRATE
Publication number
20200402922
Publication date
Dec 24, 2020
AIR WATER INC.
Sumito OUCHI
C30 - CRYSTAL GROWTH
Information
Patent Application
COMPOUND SEMICONDUCTOR SUBSTRATE
Publication number
20200020778
Publication date
Jan 16, 2020
AIR WATER INC.
Mitsuhisa Narukawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND SEMICONDUCTOR SUBSTRATE WITH SiC LAYER
Publication number
20180277363
Publication date
Sep 27, 2018
AIR WATER INC.
Mitsuhisa Narukawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOSITE SEMICONDUCTOR SUBSTRATE
Publication number
20180053647
Publication date
Feb 22, 2018
AIR WATER INC.
Akira FUKAZAWA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF MANUFACTURING SINGLE CRYSTAL 3C-SIC SUBSTRATE AND SINGLE...
Publication number
20130040103
Publication date
Feb 14, 2013
Hidetoshi Asamura
C30 - CRYSTAL GROWTH
Information
Patent Application
METHOD FOR MANUFACTURING NITROGEN COMPOUND SEMICONDUCTOR SUBSTRATE...
Publication number
20110089433
Publication date
Apr 21, 2011
Keisuke Kawamura
C30 - CRYSTAL GROWTH