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:
Mar. 19, 2024
Filed:
Jun. 03, 2022
Applicant:
Ricoh Company, Ltd., Tokyo, JP;
Inventor:
Minoru Murayama, Tokyo, JP;
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 9/04 (2006.01); G02B 9/06 (2006.01); G02B 15/22 (2006.01);
U.S. Cl.
CPC ...
G02B 9/04 (2013.01); G02B 9/06 (2013.01); G02B 15/22 (2013.01);
Abstract
An imaging lens system includes a first group having positive power and a second group having positive power disposed in that order from an object side to an image. The first group includes a first sub-group and a second sub-group. The second group includes a third sub-group, a stop, and a fourth sub-group. Conditional expressions (1), (2), and (3) below are satisfied:0.07<f2/f1<0.4 (1);0.45<f2/f2a<0.7 (2);and1.05<f/R1aN<1.55 (3)where
Murayama, Minoru. (2024). Imaging lens system and imaging apparatus incorporating the same (U.S. Patent No. 11934036). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11934036
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile