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:
Jul. 30, 2002
Filed:
Sep. 20, 2000
Applicant:
Inventors:
Yoshinori Suga, Yokkaichi, JP;
Masanobu Miwa, Yokkaichi, JP;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 ; F21V 5/02 ;
U.S. Cl.
CPC ...
F21V 8/00 ; F21V 5/02 ;
Abstract
Light guide pipe. Planar light source unit.
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Suga, Yoshinori. (2002). Light guide pipe having elongate roughened protrusions and/or roughened concaves, planar light source unit having a broad viewing angle characteristic, and liquid crystal display device (U.S. Patent No. 6425673). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6425673
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile