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. 04, 1999
Filed:
Aug. 06, 1997
Toshiyuki Kabata, Yokohama, JP;
Yoshiko Kurosawa, Yokohama, JP;
Toshiyuki Ohsawa, Kawasaki, JP;
Nobuo Katagiri, Yokohama, JP;
Okitoshi Kimura, Yokohama, JP;
Toshishige Fujii, Yokohama, JP;
Yoshitaka Hayashi, Machida, JP;
Hiroyuki Iechi, Yokohama, JP;
Yumiko Suzuki, Sagamihara, JP;
Tomohiro Inoue, Sagamihara, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A negative electrode for a lithium secondary battery includes at least two kinds of carbon materials with a spacing of lattice plane (d.sub.002) of 3.4 .ANG. or less in the direction of the C axis thereof. A lithium secondary battery using this negative electrode is provided.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile