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Shin Hiraoka
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Ibaraki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
White light-emitting semiconductor devices
Patent number
8,829,778
Issue date
Sep 9, 2014
Mitsubishi Chemical Corporation
Hiroaki Sakuta
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
White semiconductor light emitting device
Patent number
8,829,780
Issue date
Sep 9, 2014
Mitsubishi Chemical Corporation
Hiroaki Sakuta
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Nitride semiconductor light-emitting diode device
Patent number
8,716,728
Issue date
May 6, 2014
Mitsubishi Chemical Corporation
Hiromitsu Kudo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
White light-emitting semiconductor devices
Patent number
8,581,488
Issue date
Nov 12, 2013
Mitsubishi Chemical Corporation
Hiroaki Sakuta
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Light emitting device using GaN LED chip
Patent number
8,455,886
Issue date
Jun 4, 2013
Mitsubishi Chemical Corporation
Takahide Joichi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light emitting device using GaN LED chip
Patent number
8,158,990
Issue date
Apr 17, 2012
Mitsubishi Chemical Corporation
Takahide Joichi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
GaN LED element and light emitting device having a structure to red...
Patent number
8,158,994
Issue date
Apr 17, 2012
Mitsubishi Chemical Corporation
Shin Hiraoka
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
LIGHT EMITTING DEVICE USING GAN LED CHIP
Publication number
20140061664
Publication date
Mar 6, 2014
MITSUBISHI CHEMICAL CORPORATION
Takahide JOICHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
WHITE LIGHT-EMITTING SEMICONDUCTOR DEVICES
Publication number
20140042896
Publication date
Feb 13, 2014
MITSUBISHI CHEMICAL CORPORATION
Hiroaki SAKUTA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
WHITE SEMICONDUCTOR LIGHT EMITTING DEVICE
Publication number
20120319565
Publication date
Dec 20, 2012
MITSUBISHI CHEMICAL CORPORATION
Hiroaki SAKUTA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
LIGHT EMITTING DEVICE USING GaN LED CHIP
Publication number
20120175669
Publication date
Jul 12, 2012
Takahide Joichi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
GAN LED ELEMENT AND LIGHT EMITTING DEVICE HAVING A STRUCTURE TO RED...
Publication number
20120171796
Publication date
Jul 5, 2012
Shin Hiraoka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
WHITE LIGHT-EMITTING SEMICONDUCTOR DEVICES
Publication number
20120112626
Publication date
May 10, 2012
MITSUBISHI CHEMICAL CORPORATION
Hiroaki SAKUTA
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
LED ELEMENT AND METHOD FOR MANUFACTURING LED ELEMENT
Publication number
20110260196
Publication date
Oct 27, 2011
MITSUBISHI CHEMICAL CORPORATION
Hiroaki Okagawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LED ELEMENT AND METHOD FOR MANUFACTURING LED ELEMENT
Publication number
20110012154
Publication date
Jan 20, 2011
MITSUBISHI CHEMICAL CORPORATION
Hiroaki Okagawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NITRIDE SEMICONDUCTOR LIGHT-EMITTING DIODE DEVICE
Publication number
20100314642
Publication date
Dec 16, 2010
MITSUBISHI CHEMICAL CORPORATION
Hiromitsu Kudo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Light emitting device using gan led chip
Publication number
20100019247
Publication date
Jan 28, 2010
Takahide Joichi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
GAN LED ELEMENT AND LIGHT EMITTING DEVICE
Publication number
20100012971
Publication date
Jan 21, 2010
Shin Hiraoka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Nitride Semiconductor Light Emitting Element and Method for Manufac...
Publication number
20080135868
Publication date
Jun 12, 2008
Mitsubishi Cable Industries, LTD.
Hiroaki Okagawa
H01 - BASIC ELECTRIC ELEMENTS