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. 20, 1987
Filed:
Sep. 20, 1984
Applicant:
Inventors:
Assignees:
Canon Kabushiki Kaisha, Tokyo, JP;
Toppan Printing Co. Ltd., Tokyo, JP;
Kasei Optonix, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
2504861 ; 2504871 ; 378 51 ;
Abstract
A fluorescent screen having a sensitivity variation in which a plurality of gradations (continuous density variation) whose end edges are shifted by a predetermined distance is formed on a support of phosphor and a phosphor layer is provided thereon, and a method of manufacturing such screen.
Koizumi, Yuichiro. (1987). Fluorescent screen having a variation in sensitivity and method of (U.S. Patent No. 4701622). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4701622
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile