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Yoshiyuki Taguchi
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Funabashi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Power conversion device
Patent number
11,575,338
Issue date
Feb 7, 2023
Hitachi Industrial Equipment Systems Co., Ltd.
Kazuaki Tobari
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power conversion device
Patent number
11,437,944
Issue date
Sep 6, 2022
Hitachi Industrial Equipment Systems Co., Ltd.
Kazuaki Tobari
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Motor controller, air compressor, air conditioner, controller of pa...
Patent number
9,136,788
Issue date
Sep 15, 2015
Hitachi, Ltd.
Tomofumi Okubo
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Driving system of permanent magnet synchronous motor
Patent number
8,541,971
Issue date
Sep 24, 2013
Hitachi Industrial Equipment Systems Co., Ltd.
Toshifumi Sakai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Control method and control device of permanent-magnet type synchron...
Patent number
6,954,050
Issue date
Oct 11, 2005
Hitachi, Ltd.
Kazuaki Tobari
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
Power Conversion Device
Publication number
20240097589
Publication date
Mar 21, 2024
HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
Kazuaki TOBARI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Power Conversion Device
Publication number
20220094291
Publication date
Mar 24, 2022
Hitachi Industrial Equipment Systems Co., Ltd.
Kazuaki TOBARI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Power Conversion Device
Publication number
20210273591
Publication date
Sep 2, 2021
HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
Kazuaki TOBARI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Motor Controller, Air Compressor, Air Conditioner, Controller of Pa...
Publication number
20110056226
Publication date
Mar 10, 2011
Hitachi, Ltd
Tomofumi Okubo
B60 - VEHICLES IN GENERAL
Information
Patent Application
Driving system of permanent magnet synchronous motor
Publication number
20110050140
Publication date
Mar 3, 2011
HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
Toshifumi Sakai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Control method and control device of permanent-magnet type synchron...
Publication number
20040207358
Publication date
Oct 21, 2004
Kazuaki Tobari
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER