Inventor
UMEDA FUMIHIRO
JP5 patents
Patents
5 patentsUS5982064ANov 9, 1999
DC motor
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US6206087B1Mar 27, 2001
Heat sink fan
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US6109340AAug 29, 2000
Heat sink fan
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US6386843B1May 14, 2002
Housing for fan units, and electrical apparatus using a fan unit
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US7837391B2Nov 23, 2010
Bearing retainer unit and electric motor furnished therewith
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