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Tomoyuki Asada
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor device
Patent number
12,113,040
Issue date
Oct 8, 2024
Mitsubishi Electric Corporation
Tomoyuki Asada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device, high-frequency power amplifier, and method of...
Patent number
11,195,807
Issue date
Dec 7, 2021
Mitsubishi Electric Corporation
Tomoyuki Asada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High frequency power amplifier
Patent number
9,231,558
Issue date
Jan 5, 2016
Mitsubishi Electric Corporation
Tomoyuki Asada
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Detector circuit and semiconductor device using same
Patent number
8,558,549
Issue date
Oct 15, 2013
Mitsubishi Electric Corporation
Kazuya Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Detector circuit and semiconductor device using same
Patent number
8,525,521
Issue date
Sep 3, 2013
Mitsubishi Electric Corporation
Kazuya Yamamoto
Information
Patent Grant
Directional coupler
Patent number
8,289,102
Issue date
Oct 16, 2012
Mitsubishi Electric Corporation
Kazuya Yamamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High frequency power amplifier
Patent number
8,207,790
Issue date
Jun 26, 2012
Mitsubishi Electric Corporation
Tomoyuki Asada
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Emitter-follower type bias circuit
Patent number
8,138,836
Issue date
Mar 20, 2012
Mitsubishi Electric Corporation
Takayuki Matsuzuka
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Power amplifier
Patent number
7,605,648
Issue date
Oct 20, 2009
Mitsubishi Electric Corporation
Kazuya Yamamoto
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Bias circuit for power amplifier having a low degradation in distor...
Patent number
7,417,507
Issue date
Aug 26, 2008
Mitsubishi Electric Corporation
Kazuya Yamamoto
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Power amplifier and wireless communication device
Patent number
7,408,412
Issue date
Aug 5, 2008
Mitsubishi Electric Corporation
Kazuya Yamamoto
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Output overvoltage protection circuit for power amplifier
Patent number
7,145,397
Issue date
Dec 5, 2006
Mitsubishi Denki Kabushiki Kaisha
Kazuya Yamamoto
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
High-frequency power amplifier
Patent number
6,570,451
Issue date
May 27, 2003
Mitsubishi Denki Kabushiki Kaisha
Tomoyuki Asada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Power amplifier
Patent number
6,278,328
Issue date
Aug 21, 2001
Mitsubishi Denki Kabushiki Kaisha
Kazuya Yamamoto
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
SEMICONDUCTOR DEVICE
Publication number
20220223558
Publication date
Jul 14, 2022
Mitsubishi Electric Corporation
Tomoyuki ASADA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE, HIGH-FREQUENCY POWER AMPLIFIER, AND METHOD OF...
Publication number
20200227363
Publication date
Jul 16, 2020
Mitsubishi Electric Corporation
Tomoyuki ASADA
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
HIGH FREQUENCY POWER AMPLIFIER
Publication number
20140043111
Publication date
Feb 13, 2014
Mitsubishi Electric Corporation
Tomoyuki Asada
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
HIGH FREQUENCY POWER AMPLIFIER
Publication number
20110260794
Publication date
Oct 27, 2011
Mitsubishi Electric Corporation
Tomoyuki Asada
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
DETECTOR CIRCUIT AND SEMICONDUCTOR DEVICE USING SAME
Publication number
20110187349
Publication date
Aug 4, 2011
Mitsubishi Electric Corporation
Kazuya Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
EMITTER-FOLLOWER TYPE BIAS CIRCUIT
Publication number
20110187459
Publication date
Aug 4, 2011
Mitsubishi Electric Corporation
Takayuki Matsuzuka
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
DIRECTIONAL COUPLER
Publication number
20110057746
Publication date
Mar 10, 2011
Mitsubishi Electric Corporation
Kazuya Yamamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POWER AMPLIFIER
Publication number
20090027130
Publication date
Jan 29, 2009
Mitsubishi Electric Corporation
Kazuya Yamamoto
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
BIAS CIRCUIT FOR POWER AMPLIFIER HAVING A LOW DEGRADATION IN DISTOR...
Publication number
20070273447
Publication date
Nov 29, 2007
Mitsubishi Electric Corporation
Kazuya YAMAMOTO
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
POWER AMPLIFIER AND WIRELESS COMMUNICATION DEVICE
Publication number
20070057729
Publication date
Mar 15, 2007
Mitsubishi Electric Corporation
Kazuya YAMAMOTO
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Output overvoltage protection circuit for power amplifier
Publication number
20050030106
Publication date
Feb 10, 2005
Mitsubishi Denki Kabushiki Kaisha
Kazuya Yamamoto
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Power amplifier capable of switching gain while suppressing noise p...
Publication number
20030218500
Publication date
Nov 27, 2003
Mitsubishi Denki Kabushiki Kaisha
Kazuya Yamamoto
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
High-frequency power amplifier
Publication number
20020063602
Publication date
May 30, 2002
Tomoyuki Asada
H01 - BASIC ELECTRIC ELEMENTS