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:
Nov. 25, 1980
Filed:
May. 04, 1979
Applicant:
Inventors:
Yoshihiko Hanamura, Tokyo, JP;
Schinichi Nishimura, Tokyo, JP;
Assignee:
Tokyo Kogaku Kikai Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
354 62 ; 351-7 ; 354197 ;
Abstract
Eye fundus camera including a photographing optical system comprised of an objective lens, an imaging lens and a magnification power changing lens device. The power changing lens device is movable in axial direction for effecting focusing.
Hanamura, Yoshihiko. (1980). Eye fundus camera having variable power photographing optical system (U.S. Patent No. 4235540). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4235540
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile