Iwao Yanagizawa

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Patents Grantslast 30 patents

Information Patent Grant
Carbon brush of motor and method for producing the same
- Patent number 8,004,143
- Issue date Aug 23, 2011
- Mitsuba Corporation
- Iwao Yanagizawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Commutator with improved connection between carbon and metal segments
- Patent number 5,552,652
- Issue date Sep 3, 1996
- Mitsuba Electric Mfg. Co., Ltd.
- Shuji Shimoyama
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Carbon Brush of Motor and Method for Producing the Same
- Publication number 20090230814
- Publication date Sep 17, 2009
- Mitsuba Corporation
- Iwao Yanagizawa
- H01 - BASIC ELECTRIC ELEMENTS