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.

Date of Patent:
Nov. 27, 2007

Filed:

Dec. 01, 2005
Applicants:

Isao Sakai, Yokohama, JP;

Tatsuoki Kohno, Minato-ku, JP;

Shirou Takeno, Yokohama, JP;

Takamichi Inaba, Yokohama, JP;

Hideki Yoshida, Yokohama, JP;

Masaaki Yamamoto, Inzai, JP;

Hirotaka Hayashida, Fujisawa, JP;

Shusuke Inada, Yokohama, JP;

Hiroshi Kitayama, Fujisawa, JP;

Motoya Kanda, Yokohama, JP;

Fumiyuki Kawashima, Matsudo, JP;

Takao Sawa, Yokohama, JP;

Inventors:

Isao Sakai, Yokohama, JP;

Tatsuoki Kohno, Minato-ku, JP;

Shirou Takeno, Yokohama, JP;

Takamichi Inaba, Yokohama, JP;

Hideki Yoshida, Yokohama, JP;

Masaaki Yamamoto, Inzai, JP;

Hirotaka Hayashida, Fujisawa, JP;

Shusuke Inada, Yokohama, JP;

Hiroshi Kitayama, Fujisawa, JP;

Motoya Kanda, Yokohama, JP;

Fumiyuki Kawashima, Matsudo, JP;

Takao Sawa, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/38 (2006.01); C22C 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention provides a hydrogen absorbing alloy containing as a principal phase at least one phase selected from the group consisting of a second phase having a rhombohedral crystal structure and a first phase having a crystal structure of a hexagonal system excluding a phase having a CaCutype structure, wherein a content of a phase having a crystal structure of ABtype is not higher than 10% by volume including 0% by volume and the hydrogen absorbing alloy has a composition represented by general formula (1) given below:MgTNiM1M2Mn.  (1)


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