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. 15, 2012
Filed:
Jan. 22, 2004
Applicant:
Eiji Iwamura, Kanagawa, JP;
Inventor:
Eiji Iwamura, Kanagawa, JP;
Assignee:
Japan Science and Technology Agency, Saitama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 31/08 (2006.01); C23C 14/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
There are provided hydrogen storage materials comprising a first region composed primarily of an amorphous carbon containing at least one metal element selected from the group consisting of Ti, Zr, Hf and Y, and a second region composed primarily of an amorphous carbon having a density lower than that of the first region.