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. 06, 2026
Filed:
Aug. 02, 2021
Applicant:
Fujikura Ltd., Tokyo, JP;
Inventor:
Hiroyuki Yamagishi, Chiba, JP;
Assignee:
Fujikura Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 5/18 (2006.01);
U.S. Cl.
CPC ...
G02B 5/18 (2013.01);
Abstract
An optical computing device includes a substrate and planar light diffraction elements. Each of the planar light diffraction elements is fixed to the substrate and includes microcells that have respective thicknesses or refractive indices set independently.