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Takuji Sonoda
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Itami, JP
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last 30 patents
Information
Patent Grant
Bipolar transistor circuit element having base ballasting resistor
Patent number
5,760,457
Issue date
Jun 2, 1998
Mitsubishi Denki Kabushiki Kaisha
Shigeru Mitsui
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of making semiconductor device including high resistivity layer
Patent number
5,679,603
Issue date
Oct 21, 1997
Mitsubishi Denki Kabushiki Kaisha
Tatsuya Kimura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Field effect transistor
Patent number
5,428,224
Issue date
Jun 27, 1995
Mitsubishi Denki Kabushiki Kaisha
Kazuo Hayashi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Semiconductor device and method of making it
Patent number
5,365,078
Issue date
Nov 15, 1994
Mitsubishi Denki Kabushiki Kaisha
Kazuo Hayashi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Method for producing a field effect transistor with a gate recess s...
Patent number
5,362,677
Issue date
Nov 8, 1994
Mitsubishi Denki Kabushiki Kaisha
Shinichi Sakamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of making a mushroom-shaped gate electrode of semiconductor...
Patent number
5,288,654
Issue date
Feb 22, 1994
Mitsubishi Denki Kabushiki Kaisha
Nobuyuki Kasai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Heterojunction field effect transistor
Patent number
5,285,087
Issue date
Feb 8, 1994
Mitsubishi Denki Kabushiki Kaisha
Koichi Narita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Field effect transistor
Patent number
5,250,822
Issue date
Oct 5, 1993
Mitsubishi Denki Kabushiki Kaisha
Takuji Sonoda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device with a mushroom-shaped gate electrode
Patent number
5,220,186
Issue date
Jun 15, 1993
Mitsubishi Denki Kabushiki Kaisha
Nobuyuki Kasai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Monolithic parallel connected transistor structure
Patent number
5,185,534
Issue date
Feb 9, 1993
Mitsubishi Denki Kabushiki Kaisha
Shinichi Sakamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of producing a t-shaped gate electrode
Patent number
5,139,968
Issue date
Aug 18, 1992
Mitsubishi Denki Kabushiki Kaisha
Iwao Hayase
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of making a schottky electrode
Patent number
5,045,497
Issue date
Sep 3, 1991
Mitsubishi Denki Kabushiki Kaisha
Kazuo Hayashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of producing a semiconductor device including a Schottky gate
Patent number
5,032,541
Issue date
Jul 16, 1991
Mitsubishi Denki Kabushiki Kaisha
Shinichi Sakamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Field effect transistor with multiple grooves
Patent number
4,984,036
Issue date
Jan 8, 1991
Mitsubishi Denki Kabushiki Kaishi
Shinichi Sakamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Heterojunction field effect transistor
Patent number
4,967,242
Issue date
Oct 30, 1990
Mitsubishi Denki Kabushiki Kaisha
Takuji Sonoda
H01 - BASIC ELECTRIC ELEMENTS