Koji MURAOKA

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Bearing structure, motor, and fan apparatus
- Patent number 8,449,191
- Issue date May 28, 2013
- Nidec Corporation
- Hiroyoshi Teshima
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Motor and fan apparatus having the motor
- Patent number 8,092,195
- Issue date Jan 10, 2012
- Nidec Corporation
- Koji Muraoka
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Brushless motor and cooling fan
- Patent number 7,589,444
- Issue date Sep 15, 2009
- Nidec Corporation
- Hiroyoshi Teshima
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
FAN AND MOTOR HAVING MULTIPLE INSULATORS WITH AN AXIALLY PROTRUDING...
- Publication number 20110081258
- Publication date Apr 7, 2011
- NIDEC CORPORATION
- Yusuke YOSHIDA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BEARING STRUCTURE, MOTOR, AND FAN APPARATUS
- Publication number 20100054965
- Publication date Mar 4, 2010
- NIDEC CORPORATION
- Hiroyoshi TESHIMA
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
MOTOR AND FAN APPARATUS HAVING THE MOTOR
- Publication number 20090285699
- Publication date Nov 19, 2009
- NIDEC CORPORATION
- Koji Muraoka
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
BRUSHLESS MOTOR AND COOLING FAN
- Publication number 20090108716
- Publication date Apr 30, 2009
- NIDEC CORPORATION
- Hiroyoshi TESHIMA
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...