Kohei Ishii

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Air conditioner having permanent magnet rotating electric machine
- Patent number 6,917,133
- Issue date Jul 12, 2005
- Hitachi, Ltd.
- Haruo Koharagi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Permanent magnet rotating electric machine
- Patent number 6,525,442
- Issue date Feb 25, 2003
- Hitachi, Ltd.
- Haruo Koharagi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Permanent magnet rotating electric machine
- Patent number 6,441,525
- Issue date Aug 27, 2002
- Hitachi, Ltd.
- Haruo Koharagi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Air conditioner having permanent magnet rotating electric machine
- Publication number 20030178905
- Publication date Sep 25, 2003
- Haruo Koharagi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Permanent magnet rotating electric machine
- Publication number 20030057785
- Publication date Mar 27, 2003
- Haruo Koharagi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER