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. 18, 2007
Filed:
Feb. 27, 2004
Applicants:
Tetsuyuki Murata, Kobe, JP;
Shigekazu Yasuoka, Kobe, JP;
Jun Ishida, Kobe, JP;
Inventors:
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/58 (2006.01); H01M 4/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hydrogen absorbing alloy containing at least a rare-earth element, magnesium (Mg), nickel (Ni) and aluminum (Al), having an intensity ratio (I/I) of not smaller than 0.6 (where Irepresents an intensity of the highest peak in a range of 2θ=30°˜34° in the X-ray diffraction pattern using CuK-radiation as the X-ray source and Irepresents the intensity of the highest peak in a range of 2θ=40°˜44°), and not substantially including La as the rare-earth element.