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:
Sep. 29, 2026
Filed:
Oct. 25, 2021
Applicant:
Hoya Lens Thailand Ltd., Prachatipat, TH;
Inventors:
Yoshihiro Kikuchi, Tokyo, JP;
Shinichi Yokoyama, Tokyo, JP;
Assignee:
HOYA LENS THAILAND LTD., Pathumthani, TH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C 7/02 (2006.01); G02F 1/155 (2006.01);
U.S. Cl.
CPC ...
G02C 7/02 (2013.01); G02F 1/155 (2013.01);
Abstract
A semifinished lens is configured with at least three marks for specifying the center position of a frame shape. When the semifinished lens is viewed in an optical axis direction, the at least three marks include a pair of marks located on a first straight line passing through the center position and a mark located on a second straight line that is orthogonal to the first straight line and passes through the center position.