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:
Oct. 22, 2002
Filed:
Oct. 27, 1997
Applicant:
Inventors:
Yoshikazu Nishii, Tokyo, JP;
Nobuhiro Maeda, Tokyo, JP;
Shin-ichi Ogawa, Tokyo, JP;
Yoichi Hachitani, Tokyo, JP;
Masayuki Higashida, Tokyo, JP;
Itaru Watanabe, Tokyo, JP;
Assignee:
Hoya Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 2/911 ; B01D 3/900 ; B01D 3/906 ; B01D 5/302 ;
U.S. Cl.
CPC ...
B01D 2/911 ; B01D 3/900 ; B01D 3/906 ; B01D 5/302 ;
Abstract
A photocatalyst is carried on a surface of a light guiding body for guiding light needed to activate the photocatalyst in such a manner the light guided by the light guiding body irradiates directly from the surface of the light guiding body the photocatalyst.