The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 30, 2007
Filed:
Nov. 28, 2005
Applicants:
Masamune Tabata, Saitama, JP;
Naoko Sato, Saitama, JP;
Takashi Shiraishi, Saitama, JP;
Yasunori Murakami, Saitama, JP;
Inventors:
Masamune Tabata, Saitama, JP;
Naoko Sato, Saitama, JP;
Takashi Shiraishi, Saitama, JP;
Yasunori Murakami, Saitama, JP;
Assignee:
Honda Motor Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02F 3/10 (2006.01); F02F 3/22 (2006.01); F01B 31/10 (2006.01);
U.S. Cl.
CPC ...
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.