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Kenji Shimoyama
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Ushiku, JP
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Patents Grants
last 30 patents
Information
Patent Grant
High efficiency light emitting diode and method of fabricating the...
Patent number
9,362,449
Issue date
Jun 7, 2016
SEOUL VIOSYS CO., LTD.
Chang Yeon Kim
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride light-emitting diode element and method of manufacturing same
Patent number
9,257,595
Issue date
Feb 9, 2016
MITSUBISHI CHEMICAL CORPORATION
Yuki Haruta
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gallium nitride-based material and method of manufacturing the same
Patent number
7,794,541
Issue date
Sep 14, 2010
Tohoku University
Hiroyuki Shibata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor optical device apparatus
Patent number
6,807,213
Issue date
Oct 19, 2004
Mitsubishi Chemical Corporation
Kenji Shimoyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method for manufacturing the same
Patent number
6,744,066
Issue date
Jun 1, 2004
Mitsubishi Chemical Corporation
Kenji Shimoyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light-emitting device
Patent number
6,707,071
Issue date
Mar 16, 2004
Mitsubishi Chemical Corporation
Makiko Hashimoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light-emitting device
Patent number
6,639,926
Issue date
Oct 28, 2003
Mitsubishi Chemical Corporation
Kenji Shimoyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method for manufacturing the same
Patent number
6,589,807
Issue date
Jul 8, 2003
Mitsubishi Chemical Corporation
Kenji Shimoyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light-emitting device and manufacturing method for th...
Patent number
6,387,721
Issue date
May 14, 2002
Mitsubishi Chemical Corporation
Makiko Hashimoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light-emitting devices
Patent number
6,278,137
Issue date
Aug 21, 2001
Mitsubishi Chemical Corporation
Kenji Shimoyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method for manufacturing the same
Patent number
6,265,733
Issue date
Jul 24, 2001
Mitsubishi Chemical Corporation
Kenji Shimoyama
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Semiconductor light-emitting device
Patent number
6,023,483
Issue date
Feb 8, 2000
Mitsubishi Chemical Corporation
Kenji Shimoyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing a group II-VI compound semiconductor
Patent number
5,868,834
Issue date
Feb 9, 1999
Mitsubishi Kasei Corporation
Kenji Shimoyama
C30 - CRYSTAL GROWTH
Information
Patent Grant
Compound semiconductor and its fabrication
Patent number
5,827,365
Issue date
Oct 27, 1998
Mitsubishi Kasei Corporation
Kenji Shimoyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light-emitting devices
Patent number
5,811,839
Issue date
Sep 22, 1998
Mitsubishi Chemical Corporation
Kenji Shimoyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device having contact resistance reducing layer
Patent number
5,804,834
Issue date
Sep 8, 1998
Mitsubishi Chemical Corporation
Kenji Shimoyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of preparing compound semiconductor
Patent number
5,622,559
Issue date
Apr 22, 1997
Mitsubishi Chemical Corporation
Hideki Goto
C30 - CRYSTAL GROWTH
Information
Patent Grant
Semiconductor laser diode
Patent number
5,619,518
Issue date
Apr 8, 1997
Mitsubishi Chemical Corporation
Hideyoshi Horie
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Laser diode and process for producing the same
Patent number
5,608,751
Issue date
Mar 4, 1997
Mitsubishi Chemical Corporation
Kenji Shimoyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
III-V compound semiconductor with high crystal quality and luminous...
Patent number
5,606,180
Issue date
Feb 25, 1997
Mitsubishi Chemical Corporation
Nobuyuki Hosoi
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method of preparing compound semiconductor
Patent number
5,400,740
Issue date
Mar 28, 1995
Mitsubishi Chemical Corporation
Hideki Goto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Fabrication of semiconductor laser elements
Patent number
5,376,581
Issue date
Dec 27, 1994
Mitsubishi Kasei Corporation
Kenji Shimoyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor laser element
Patent number
5,355,384
Issue date
Oct 11, 1994
Mitsubishi Kasei Corporation
Yuichi Inoue
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of making semiconductor laser devices
Patent number
5,145,807
Issue date
Sep 8, 1992
Mitsubishi Kasei Corporation
Kenji Shimoyama
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Divided electrode type semiconductor laser device
Patent number
5,018,159
Issue date
May 21, 1991
Director-General, Agency of Industrial Science & Technology
Yoshihiro Suzuki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor laser devices
Patent number
4,969,151
Issue date
Nov 6, 1990
Mitsubishi Kasei Corporation
Kenji Shimoyama
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Epitaxial substrate for high-intensity led, and method of manufactu...
Patent number
4,902,356
Issue date
Feb 20, 1990
Mitsubishi Monsanto Chemical Company
Masahiro Noguchi
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
GAN SUBSTRATE WAFER AND METHOD FOR MANUFACTURING SAME
Publication number
20220084819
Publication date
Mar 17, 2022
MITSUBISHI CHEMICAL CORPORATION
Kenji ISO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR PRODUCING M-PLANE NITRIDE-BASED LIGHT-EMITTING DIODE
Publication number
20150125980
Publication date
May 7, 2015
MITSUBISHI CHEMICAL CORPORATION
Kaori Kurihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
GALLIUM NITRIDE-BASED LIGHT EMITTING DIODE
Publication number
20140361247
Publication date
Dec 11, 2014
Seoul Viosys Co., Ltd.
Seung Kyu CHOI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HIGH EFFICIENCY LIGHT EMITTING DIODE AND METHOD OF FABRICATING THE...
Publication number
20140353582
Publication date
Dec 4, 2014
Seoul Viosys Co., Ltd.
Chang Yeon KIM
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NITRIDE LIGHT-EMITTING DIODE ELEMENT AND METHOD OF MANUFACTURING SAME
Publication number
20140103391
Publication date
Apr 17, 2014
MITSUBISHI CHEMICAL CORPORATION
Yuki HARUTA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NITRIDE SEMICONDUCTOR CRYSTAL AND PRODUCTION PROCESS THEREOF
Publication number
20120112320
Publication date
May 10, 2012
MITSUBISHI CHEMICAL CORPORATION
Shuichi KUBO
C30 - CRYSTAL GROWTH
Information
Patent Application
GALLIUM NITRIDE-BASED MATERIAL AND METHOD OF MANUFACTURING THE SAME
Publication number
20100162945
Publication date
Jul 1, 2010
TOHOKU UNIVERSITY
Hiroyuki Shibata
C30 - CRYSTAL GROWTH
Information
Patent Application
GALLIUM NITRIDE-BASED MATERIAL
Publication number
20100140536
Publication date
Jun 10, 2010
TOHOKU UNIVERSITY
Hiroyuki Shibata
C30 - CRYSTAL GROWTH
Information
Patent Application
GALLIUM NITRIDE-BASED MATERIAL AND METHOD OF MANUFACTURING THE SAME
Publication number
20090081110
Publication date
Mar 26, 2009
TOHOKU UNIVERSITY
Hiroyuki Shibata
C30 - CRYSTAL GROWTH
Information
Patent Application
III-V compound semiconductor crystals
Publication number
20050230672
Publication date
Oct 20, 2005
MITSUBISHI CHEMICAL CORPORATION
Kaori Kurihara
C30 - CRYSTAL GROWTH
Information
Patent Application
Semiconductor light-emitting device
Publication number
20040041162
Publication date
Mar 4, 2004
MITSUBISHI CHEMICAL CORPORATION
Kenji Shimoyama
B82 - NANO-TECHNOLOGY
Information
Patent Application
Semiconductor light-emitting device
Publication number
20020125488
Publication date
Sep 12, 2002
Mitsubishi Chemical Corporation
Makiko Hashimoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device and method for manufacturing the same
Publication number
20020014622
Publication date
Feb 7, 2002
MITSUBISHI CHEMICAL CORPORATION
Kenji Shimoyama
B82 - NANO-TECHNOLOGY
Information
Patent Application
Semiconductor device and method for manufacturing the same
Publication number
20010040236
Publication date
Nov 15, 2001
MITSUBISHI CHEMICAL CORPORATION
Kenji Shimoyama
B82 - NANO-TECHNOLOGY