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Yusuke Tsukada
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Ushiku, JP
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last 30 patents
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Patent Grant
Self-standing GaN substrate, GaN crystal, method for producing GaN...
Patent number
12,107,129
Issue date
Oct 1, 2024
Mitsubishi Chemical Corporation
Satoru Nagao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gallium nitride substrate and manufacturing method of nitride semic...
Patent number
11,670,687
Issue date
Jun 6, 2023
Mitsubishi Chemical Corporation
Yusuke Tsukada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Self-standing GaN substrate, GaN crystal, method for producing GaN...
Patent number
11,664,428
Issue date
May 30, 2023
Mitsubishi Chemical Corporation
Satoru Nagao
C30 - CRYSTAL GROWTH
Information
Patent Grant
Non-polar or semi-polar GaN wafer
Patent number
11,236,439
Issue date
Feb 1, 2022
Mitsubishi Chemical Corporation
Yusuke Tsukada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Self-standing GaN substrate, GaN crystal, method for producing GaN...
Patent number
11,038,024
Issue date
Jun 15, 2021
MITSUBISHI CHEMICAL CORPORATION
Satoru Nagao
C30 - CRYSTAL GROWTH
Information
Patent Grant
Self-standing GaN substrate, GaN crystal, method for producing GaN...
Patent number
11,031,475
Issue date
Jun 8, 2021
MITSUBISHI CHEMICAL CORPORATION
Satoru Nagao
C30 - CRYSTAL GROWTH
Information
Patent Grant
Gallium nitride substrate and manufacturing method of nitride semic...
Patent number
10,734,485
Issue date
Aug 4, 2020
Mitsubishi Chemical Corporation
Yusuke Tsukada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
GaN substrate, method for producing GaN substrate, method for produ...
Patent number
10,655,244
Issue date
May 19, 2020
Mitsubishi Chemical Corporation
Yusuke Tsukada
C30 - CRYSTAL GROWTH
Information
Patent Grant
GaN substrate
Patent number
10,612,161
Issue date
Apr 7, 2020
Mitsubishi Chemical Corporation
Tetsuharu Kajimoto
C30 - CRYSTAL GROWTH
Information
Patent Grant
Self-standing GaN substrate, GaN crystal, method for producing GaN...
Patent number
10,475,887
Issue date
Nov 12, 2019
MITSUBISHI CHEMICAL CORPORATION
Satoru Nagao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
GaN substrate, method for producing GaN substrate, method for produ...
Patent number
10,066,319
Issue date
Sep 4, 2018
Mitsubishi Chemical Corporation
Yusuke Tsukada
C30 - CRYSTAL GROWTH
Information
Patent Grant
Gallium nitride substrate and manufacturing method of nitride semic...
Patent number
9,673,046
Issue date
Jun 6, 2017
Mitsubishi Chemical Corporation
Yusuke Tsukada
C30 - CRYSTAL GROWTH
Patents Applications
last 30 patents
Information
Patent Application
SELF-STANDING GaN SUBSTRATE, GaN CRYSTAL, METHOD FOR PRODUCING GaN...
Publication number
20230253461
Publication date
Aug 10, 2023
MITSUBISHI CHEMICAL CORPORATION
Satoru NAGAO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
GAN CRYSTAL AND GAN SUBSTRATE
Publication number
20230203711
Publication date
Jun 29, 2023
MITSUBISHI CHEMICAL CORPORATION
Yusuke TSUKADA
C30 - CRYSTAL GROWTH
Information
Patent Application
SELF-STANDING GaN SUBSTRATE, GaN CRYSTAL, METHOD FOR PRODUCING GaN...
Publication number
20210273058
Publication date
Sep 2, 2021
MITSUBISHI CHEMICAL CORPORATION
Satoru NAGAO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
GALLIUM NITRIDE SUBSTRATE AND MANUFACTURING METHOD OF NITRIDE SEMIC...
Publication number
20200321438
Publication date
Oct 8, 2020
MITSUBISHI CHEMICAL CORPORATION
Yusuke Tsukada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NON-POLAR OR SEMI-POLAR GaN WAFER
Publication number
20200032420
Publication date
Jan 30, 2020
MITSUBISHI CHEMICAL CORPORATION
Yusuke TSUKADA
C30 - CRYSTAL GROWTH
Information
Patent Application
SELF-STANDING GaN SUBSTRATE, GaN CRYSTAL, METHOD FOR PRODUCING GaN...
Publication number
20200013860
Publication date
Jan 9, 2020
MITSUBISHI CHEMICAL CORPORATION
Satoru NAGAO
C30 - CRYSTAL GROWTH
Information
Patent Application
SELF-STANDING GaN SUBSTRATE, GaN CRYSTAL, METHOD FOR PRODUCING GaN...
Publication number
20190312111
Publication date
Oct 10, 2019
MITSUBISHI CHEMICAL CORPORATION
Satoru NAGAO
C30 - CRYSTAL GROWTH
Information
Patent Application
GaN SUBSTRATE, METHOD FOR PRODUCING GaN SUBSTRATE, METHOD FOR PRODU...
Publication number
20180334758
Publication date
Nov 22, 2018
MITSUBISHI CHEMICAL CORPORATION
Yusuke TSUKADA
C30 - CRYSTAL GROWTH
Information
Patent Application
NON-POLAR OR SEMI-POLAR GaN WAFER
Publication number
20180142376
Publication date
May 24, 2018
MITSUBISHI CHEMICAL CORPORATION
Yusuke TSUKADA
C30 - CRYSTAL GROWTH
Information
Patent Application
GaN SUBSTRATE
Publication number
20170362739
Publication date
Dec 21, 2017
MITSUBISHI CHEMICAL CORPORATION
Tetsuharu KAJIMOTO
C30 - CRYSTAL GROWTH
Information
Patent Application
GALLIUM NITRIDE SUBSTRATE AND MANUFACTURING METHOD OF NITRIDE SEMIC...
Publication number
20170200789
Publication date
Jul 13, 2017
MITSUBISHI CHEMICAL CORPORATION
Yusuke TSUKADA
C30 - CRYSTAL GROWTH
Information
Patent Application
GaN SUBSTRATE, METHOD FOR PRODUCING GaN SUBSTRATE, METHOD FOR PRODU...
Publication number
20160319460
Publication date
Nov 3, 2016
MITSUBISHI CHEMICAL CORPORATION
Yusuke TSUKADA
C30 - CRYSTAL GROWTH
Information
Patent Application
SELF-STANDING GaN SUBSTRATE, GaN CRYSTAL, METHOD FOR PRODUCING GaN...
Publication number
20160233306
Publication date
Aug 11, 2016
MITSUBISHI CHEMICAL CORPORATION
Satoru NAGAO
C30 - CRYSTAL GROWTH
Information
Patent Application
GALLIUM NITRIDE SUBSTRATE AND MANUFACTURING METHOD OF NITRIDE SEMIC...
Publication number
20150311068
Publication date
Oct 29, 2015
MITSUBISHI CHEMICAL CORPORATION
Yusuke TSUKADA
H01 - BASIC ELECTRIC ELEMENTS