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:
Jan. 07, 1992
Filed:
Dec. 14, 1989
Applicant:
Inventors:
Michiya Matuda, Tochigi, JP;
Tooru Kobayashi, Tochigi, JP;
Fumikazu Washimi, Ashikaga, JP;
Masaei Kawashima, Tochigi, JP;
Masaaki Kashiwabuchi, Tochigi, JP;
Kikuzi Takahashi, Ibaraki, JP;
Atsushi Kanai, Tochigi, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61L / ;
U.S. Cl.
CPC ...
422121 ; 422122 ; 422124 ; 422125 ; 422306 ; 502-5 ; 62 78 ; 62264 ;
Abstract
A deodorizer device for use in a refrigerator has an absorbent capable of absorbing odor components from air, a layer of a photocatalyst deposited on the surface of the absorbent, and a light source for illuminating the photocatalyst layer to excite the same. Air containinig odor components is forced by a blower to flow through the absorbent.