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:
Apr. 16, 2013
Filed:
Jun. 22, 2011
Applicant:
Hironobu Koga, Utsunomiya, JP;
Inventor:
Hironobu Koga, Utsunomiya, JP;
Assignee:
Canon Kabushiki Kaisha, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a gradient-index optical element, there is a difference in an abnormal partial dispersion characteristic of a medium between a position on an optical axis of the radial gradient-index optical element and a position on an effective beam diameter.
Koga, Hironobu. (2013). Optical element and optical apparatus (U.S. Patent No. 8422141). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8422141
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile