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:
Nov. 05, 2019
Filed:
Feb. 23, 2015
Applicant:
Sumitomo Osaka Cement Co., Ltd., Tokyo, JP;
Inventors:
Teppei Yakubo, Tokyo, JP;
Shingo Takano, Tokyo, JP;
Assignee:
SUMITOMO OSAKA CEMENT CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 9/20 (2006.01);
U.S. Cl.
CPC ...
H01G 9/2031 (2013.01); H01G 9/2059 (2013.01); H01G 9/2027 (2013.01); Y02E 10/542 (2013.01);
Abstract
A porous semiconductor layer contains anatase-type titanium oxide particles (A) which have an average primary particle size of 1 nm to 70 nm, and particles (B) obtained by coating surfaces of rutile-type titanium oxide particles, which have an average primary particle size of 100 nm to 1,000 nm, with an insulating material.