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Yoshiaki Hisamoto
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Power semiconductor device having an active region and an electric...
Patent number
8,742,474
Issue date
Jun 3, 2014
Mitsubishi Electric Corporation
Yoshiaki Hisamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device with peripheral base region connected to main...
Patent number
8,692,323
Issue date
Apr 8, 2014
Mitsubishi Denki Kabushiki Kaisha
Kazunari Hatade
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device
Patent number
8,274,095
Issue date
Sep 25, 2012
Mitsubishi Electric Corporation
Yoshiaki Hisamoto
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Semiconductor device
Patent number
8,183,631
Issue date
May 22, 2012
Mitsubishi Denki Kabushiki Kaisha
Kazunari Hatade
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device with increased withstand voltage
Patent number
8,017,974
Issue date
Sep 13, 2011
Mitsubishi Electric Corporation
Yoshiaki Hisamoto
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Semiconductor device having enhanced di/dt tolerance and dV/dt tole...
Patent number
7,180,106
Issue date
Feb 20, 2007
Mitsubishi Denki Kabushiki Kaisha
Kazunari Hatade
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Power semiconductor device containing at least one zener diode prov...
Patent number
6,580,121
Issue date
Jun 17, 2003
Mitsubishi Denki Kabushiki Kaisha
Yoshiaki Hisamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of fabricating insulated gate semiconductor device
Patent number
5,545,573
Issue date
Aug 13, 1996
Mitsubishi Denki Kabushiki Kaisha
Atsushi Narazaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Insulated gate bipolar transistor and method of fabricating the same
Patent number
5,321,295
Issue date
Jun 14, 1994
Mitsubishi Denki Kabushiki Kaisha
Yoshiaki Hisamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing a semiconductor device having a polycrystal...
Patent number
5,246,877
Issue date
Sep 21, 1993
Mitsubishi Denki Kabushiki Kaisha
Yoshiaki Hisamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gate turn-off thyristor having P.sup.+ gate and emitter
Patent number
4,609,933
Issue date
Sep 2, 1986
Mitsubishi Denki Kabushiki Kaisha
Toshihiro Nakajima
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
SEMICONDUCTOR DEVICE
Publication number
20120080744
Publication date
Apr 5, 2012
Mitsubishi Electric Corporation
KAZUNARI HATADE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE
Publication number
20110227128
Publication date
Sep 22, 2011
MITSUBISHI ELECTRIC CORPORATION
Yoshiaki HISAMOTO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE
Publication number
20090184338
Publication date
Jul 23, 2009
MITSUBISHI ELECTRIC CORPORATION
Yoshiaki HISAMOTO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POWER SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREFOR
Publication number
20090014753
Publication date
Jan 15, 2009
MITSUBISHI ELECTRIC CORPORATION
Yoshiaki Hisamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE
Publication number
20070096166
Publication date
May 3, 2007
MITSUBISHI ELECTRIC CORPORATION
KAZUNARI HATADE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device
Publication number
20030132499
Publication date
Jul 17, 2003
Kazunari Hatade
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Power semiconductor device containing at least one zener diode prov...
Publication number
20020088991
Publication date
Jul 11, 2002
Mitsubishi Denki Kabushiki Kaisha
Yoshiaki Hisamoto
H01 - BASIC ELECTRIC ELEMENTS