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:
Aug. 02, 2005
Filed:
Oct. 25, 2002
Applicants:
Yoshinobu Hosoi, Gamagori, JP;
Akihiro Hayashi, Toyokawa, JP;
Inventors:
Yoshinobu Hosoi, Gamagori, JP;
Akihiro Hayashi, Toyokawa, JP;
Assignee:
NIDEK Co., Ltd., Gamagori, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B003/02 ;
U.S. Cl.
CPC ...
Abstract
An optometric apparatus for a subjective examination of a visual function of an examinee's eye includes a pair of right-and-left lens chamber units, each having test windows; and rotary disks disposed in each unit, each disk holding therein optical elements, one of the optical elements in each disk being placed between the test windows; and the optical elements include optical elements of 29 mm to 39 mm in effective diameter.