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. 27, 2009
Filed:
Sep. 13, 2005
Seiji Kamada, Yokohama, JP;
Hiroshi Kumagai, Kanagawa, JP;
Midori Kondou, Kanagawa, JP;
Kenji Kikuchi, Yokohama, JP;
Takumaru Sagawa, Yokohama, JP;
Yutaka Mabuchi, Yokohama, JP;
Takahiro Nakahigashi, Kyoto, JP;
Seiji Kamada, Yokohama, JP;
Hiroshi Kumagai, Kanagawa, JP;
Midori Kondou, Kanagawa, JP;
Kenji Kikuchi, Yokohama, JP;
Takumaru Sagawa, Yokohama, JP;
Yutaka Mabuchi, Yokohama, JP;
Takahiro Nakahigashi, Kyoto, JP;
Nissan Motor Co., Ltd., Yokohama-shi, JP;
Abstract
A member for an internal combustion engine, such as a piston, a valve and a fuel injection valve. The member includes a substrate. A carbon-based coating film is formed on the substrate to cover at least a part of a region of the substrate to which region fuel for the internal combustion engine is contactable. The carbon-based coating film contains fluorine and has a thickness of 10 μm or less.