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.

Date of Patent:
Feb. 11, 1992

Filed:

Feb. 13, 1990
Applicant:
Inventors:

Koichi Kitaura, Otsu, JP;

Shoji Kigoshi, Otsu, JP;

Hisao Hisaki, Echi, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
359350 ; 359490 ; 252588 ;

Find Patent Forward Citations

Kitaura, Koichi. (1992). Polarizer for visible light (U.S. Patent No. 5087985). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5087985

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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