Kenji Tamura

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Tanuma, JP

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Patents Grantslast 30 patents

Information Patent Grant
Power converter and refrigeration air conditioner
- Patent number 10,608,570
- Issue date Mar 31, 2020
- HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC.
- Yoji Ogura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC current brushless motor driving apparatus and air conditioner wi...
- Patent number 6,396,225
- Issue date May 28, 2002
- Hitachi, Ltd.
- Toyomitsu Wakui
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
POWER CONVERTER AND REFRIGERATION AIR CONDITIONER
- Publication number 20190115861
- Publication date Apr 18, 2019
- Hitachi-Johnson Controls Air Conditioning, Inc.
- Yoji OGURA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DC Power Supply Unit and Air Conditioner Using Same
- Publication number 20170070157
- Publication date Mar 9, 2017
- Hitachi Appliances, Inc.
- Koji TSUKII
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MONITORING SUPPORT SYSTEM, MONITORING SUPPORT METHOD, AND RECORDING...
- Publication number 20160191369
- Publication date Jun 30, 2016
- Hitachi, Ltd
- KOICHI KURANAMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE