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:
Aug. 31, 2010
Filed:
Feb. 19, 2003
Kazuhiko Ishihara, Tokyo, JP;
Toru Moro, Tokyo, JP;
Kozo Nakamura, Tokyo, JP;
Yoshio Takatori, Tokyo, JP;
Hiroshi Kawaguchi, Tokyo, JP;
Tomohiro Konno, Tokyo, JP;
Tomiharu Matsushita, Hyogo, JP;
Shuji Kusumoto, Hyogo, JP;
Kazuhiko Ishihara, Tokyo, JP;
Toru Moro, Tokyo, JP;
Kozo Nakamura, Tokyo, JP;
Yoshio Takatori, Tokyo, JP;
Hiroshi Kawaguchi, Tokyo, JP;
Tomohiro Konno, Tokyo, JP;
Tomiharu Matsushita, Hyogo, JP;
Shuji Kusumoto, Hyogo, JP;
Kabushiki Kaisha Kobe Seiko Sho, Kobe-shi, JP;
Other;
Abstract
An artificial joint member made of a polymeric material including a portion made of a polymeric substance has a sliding surface composed of a polymer having phosphoryl choline groups. With such an arrangement, the artificial joint member is provided with a sliding part capable of keeping a satisfactory lubricating state for a long time.