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. 22, 2012
Filed:
Apr. 08, 2004
Applicants:
Akira Hasegawa, Tsukuba, JP;
Kazuyuki Hirao, Kyoto, JP;
Inventors:
Akira Hasegawa, Tsukuba, JP;
Kazuyuki Hirao, Kyoto, JP;
Assignee:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 23/047 (2006.01); G02B 6/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A titania nanotube suitable as an optical sensor or gas sensor is provided. The titania nanotube has a length of 1 μm or more; preferably a diameter of 0.1 μm or less and an aspect ratio of 100 or more.