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:
Jun. 14, 2011
Filed:
Apr. 11, 2006
Applicants:
Tetsuro Tohma, Tsukuba, JP;
Kazuo Sadaoka, Tsukuba, JP;
Yoshio Uchida, Tsukuba, JP;
Inventors:
Assignee:
Sumitomo Chemical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B 1/08 (2006.01); H01L 35/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A thermoelectric conversion material contains a metal oxide comprising M, Mand oxygen, wherein Mis at least one selected from the group consisting of Ca, Sr and Ba and may contain an element selected from the group consisting of Li, Na, K, Mg, La, Ce, Nd, Sm, Bi and Pb, and wherein Mcomprises Cu as an essential element and may contain an element selected from the group consisting of Ti, V, Cr, Mn, Fe, Co and Ni. The mole ratio of Mto M(M/M) is 1.2 to 2.2.