Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masamune Tabata0
Naoko Sato0
Takashi Shiraishi0
Yasunori Murakami0
Date of Patent
October 30, 2007
0Patent Application Number
112872470
Date Filed
November 28, 2005
0Patent Primary Examiner
Patent abstract
A piston for an internal combustion engine, the piston having a skirt part, comprises: a resinous coating layer formed on a surface of the skirt part; and a plurality of concaves regularly arranged in the resinous coating layer. The concaves are non-coated regions in which said resinous coating layer is not formed.
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