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:
Dec. 15, 1987

Filed:

Oct. 25, 1984
Applicant:
Inventors:

Kiichi Kamiyama, Tokyo, JP;

Yasuo Kato, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B / ; A61B / ;
U.S. Cl.
CPC ...
351243 ; 351204 ; 351211 ;
Abstract

An ocular position measuring apparatus comprising a pair of fixation marks capable of emitting visible flickering beams for being watched by patient, a first pair of half mirrors positioned between the patient's eyes and the marks and an observing system for observing images of the patient's eyes on produced by light beams reflected by the half mirrors.


Find Patent Forward Citations

Kamiyama, Kiichi. (1987). Ocular position measuring apparatus (U.S. Patent No. 4712895). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4712895

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

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