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:
May. 18, 2004
Filed:
Aug. 03, 2001
Applicant:
Inventors:
Michio Okamura, Yokohama, JP;
Makoto Takeuchi, Tokyo, JP;
Assignee:
Jeol, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C01B 3/112 ;
U.S. Cl.
CPC ...
C01B 3/112 ;
Abstract
There is disclosed a carbon material from which an electric double layer capacitor (EDLC) having a large capacitance can be fabricated. First, a carbon material is activated to produce crystallites of graphite-like carbon having interlayer distances of 0.365 to 0.385 nm. Positive and negative plates are fabricated using the crystallites.