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Takamasa IWAI
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Chiyoda-ku, Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Power semiconductor device and method of manufacturing the same, an...
Patent number
11,631,623
Issue date
Apr 18, 2023
Mitsubishi Electric Corporation
Takamasa Iwai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and power converter
Patent number
11,450,594
Issue date
Sep 20, 2022
Mitsubishi Electric Corporation
Hiroyuki Harada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Power semiconductor device, method for manufacturing power semicond...
Patent number
11,217,514
Issue date
Jan 4, 2022
Mitsubishi Electric Corporation
Takamasa Iwai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Power semiconductor apparatus and manufacturing method therefor
Patent number
11,107,746
Issue date
Aug 31, 2021
Mitsubishi Electric Corporation
Hiroshi Kawashima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device
Patent number
10,431,528
Issue date
Oct 1, 2019
Mitsubishi Electric Corporation
Takamasa Iwai
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
SEMICONDUCTOR MANUFACTURING APPARATUS AND METHOD OF MANUFACTURING S...
Publication number
20220293434
Publication date
Sep 15, 2022
MITSUBISHI ELECTRIC CORPORATION
Takamasa IWAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POWER SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME, AN...
Publication number
20210327777
Publication date
Oct 21, 2021
MITSUBISHI ELECTRIC CORPORATION
Takamasa IWAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Power Semiconductor Device, Method for Manufacturing Power Semicond...
Publication number
20210020551
Publication date
Jan 21, 2021
MITSUBISHI ELECTRIC CORPORATION
Takamasa IWAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND POWER CONVERTER
Publication number
20200176366
Publication date
Jun 4, 2020
Mitsubishi Electric Corporation
Hiroyuki HARADA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
POWER SEMICONDUCTOR APPARATUS AND MANUFACTURING METHOD THEREFOR
Publication number
20190057928
Publication date
Feb 21, 2019
Mitsubishi Electric Corporation
Hiroshi KAWASHIMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE
Publication number
20190043788
Publication date
Feb 7, 2019
Mitsubishi Electric Corporation
Takamasa IWAI
H01 - BASIC ELECTRIC ELEMENTS