Keizo Hagiwara

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing an inverter device
- Patent number 7,487,581
- Issue date Feb 10, 2009
- Kabushiki Kaisha Toshiba
- Toshiharu Obu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Inverter device and method of manufacturing the device thereof, and...
- Patent number 7,206,205
- Issue date Apr 17, 2007
- Kabushiki Kaisha Toshiba
- Toshiharu Obu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Drive energy control apparatus for an electric vehicle
- Patent number 5,565,711
- Issue date Oct 15, 1996
- Kabushiki Kaisha Toshiba
- Keizo Hagiwara
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
STORAGE BATTERY DEVICE
- Publication number 20220320614
- Publication date Oct 6, 2022
- KABUSHIKI KAISHA TOSHIBA
- Atsumi KONDO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
STORAGE BATTERY APPARATUS AND VEHICLE
- Publication number 20180366791
- Publication date Dec 20, 2018
- KABUSHIKI KAISHA TOSHIBA
- Atsumi KONDO
- B60 - VEHICLES IN GENERAL
Information Patent Application
Inverter device and method of manufacturing the device thereof, and...
- Publication number 20070165383
- Publication date Jul 19, 2007
- Kabushiki Kaisha Toshiba
- Toshiharu Obu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Inverter device and method of manufacturing the device thereof, and...
- Publication number 20050057901
- Publication date Mar 17, 2005
- Kabushiki Kaisha Toshiba
- Toshiharu Obu
- H01 - BASIC ELECTRIC ELEMENTS