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:
Nov. 09, 2010
Filed:
Jan. 25, 2002
Applicants:
Kouichi Takei, Hitachi, JP;
Hidetoshi Honbo, Hitachinaka, JP;
Juichi Arai, Katsura-mura, JP;
Manabu Kobayashi, Hitachi, JP;
Inventors:
Kouichi Takei, Hitachi, JP;
Hidetoshi Honbo, Hitachinaka, JP;
Juichi Arai, Katsura-mura, JP;
Manabu Kobayashi, Hitachi, JP;
Assignee:
Hitachi Chemical Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/58 (2010.01); H01M 4/82 (2010.01); C01B 31/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
Artificial graphite particles, having a secondary particle structure in which a plurality of primary particles composed of graphite are clustered or bonded together, and having a layer structure in which the edge portion of the primary particles is bent in a polyhedral shape.