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:
Dec. 19, 2006
Filed:
Aug. 27, 2003
Applicants:
Ryuji Yamamoto, Kanagawa, JP;
Akinori Sudoh, Kanagawa, JP;
Inventors:
Ryuji Yamamoto, Kanagawa, JP;
Akinori Sudoh, Kanagawa, JP;
Assignee:
Showa Denko K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D01F 9/127 (2006.01); B32B 1/00 (2006.01); C01B 31/02 (2006.01); H01M 4/96 (2006.01);
U.S. Cl.
CPC ...
Abstract
A graphitized fine carbon fiber comprising a hollow space extending along its center axis, and a plurality of graphene sheets, wherein the fiber has an end surface comprising a portion of discontinuity in which ends of graphene sheets are not bonded to one another and at least one portion of continuity comprised of at least one group of graphene sheets in which one graphene sheet is bonded to another graphene sheet adjacent thereto.