Naotaka Akiwa

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Kitasaku-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Stepping motor control apparatus
- Patent number 7,429,846
- Issue date Sep 30, 2008
- Minebea Co., Ltd.
- Naotaka Akiwa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Shutter mechanism including stepping motor control apparatus with u...
- Patent number 7,005,824
- Issue date Feb 28, 2006
- Minebea Co., Ltd.
- Naotaka Akiwa
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Stepping motor, stepping motor device and driving method thereof
- Patent number 6,900,612
- Issue date May 31, 2005
- Minebea Co., Ltd.
- Naotaka Akiwa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Stepping motor, stepping motor device and driving method thereof
- Patent number 6,700,240
- Issue date Mar 2, 2004
- Minebea Co., Ltd.
- Naotaka Akiwa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Stepping motor, stepping motor device and driving method thereof
- Publication number 20030210010
- Publication date Nov 13, 2003
- MINEBEA CO., LTD.
- Naotaka Akiwa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Stepping motor, stepping motor device and driving method thereof
- Publication number 20020079769
- Publication date Jun 27, 2002
- MINEBEA CO., LTD.
- Naotaka Akiwa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER