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:
Dec. 04, 2012
Filed:
Nov. 21, 2009
Applicants:
Akira Takahashi, Tokushima, JP;
Yohsuke Kinouchi, Tokushima, JP;
Masatake Akutagawa, Tokushima, JP;
Inventors:
Assignee:
The University of Tokushima, Tokushima-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/32 (2006.01); C02F 1/72 (2006.01);
U.S. Cl.
CPC ...
Abstract
Bacteria in waterexposed outdoors are effectively killed with ultraviolet (UV) light by suppressing post-treatment increase in the bacteria population due to photoreactivation. The apparatus shines UV light on the waterto kill bacteria and has UV light emitting diodes (LEDs)that emit UVA light with a primary emission peak of 320 nm-400 nm. The antibacterial action of the UVA light emitted by the UV LEDsprevents proliferation of bacteria in the disinfected waterdue to photoreactivation.