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. 23, 2022
Filed:
Jul. 01, 2020
Applicant:
Ricoh Company, Ltd., Tokyo, JP;
Inventor:
Yukihisa Yokoyama, Kanagawa, JP;
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 7/02 (2021.01); G02B 9/08 (2006.01); G01C 15/00 (2006.01); G02B 13/00 (2006.01); G03B 35/00 (2021.01);
U.S. Cl.
CPC ...
G02B 7/028 (2013.01); G02B 9/08 (2013.01); G01C 15/002 (2013.01); G02B 13/0045 (2013.01); G03B 35/00 (2013.01);
Abstract
An imaging optical system includes, sequentially from an object side toward an image side, a first lens group; an aperture stop; and a second lens group. The first lens group includes a negative lens; and a positive lens formed of a plastic lens. The second lens group includes a plastic lens and satisfies Conditional Expressions (1) and (2) as follows:3132, and  (1)3132  (2)where
Yokoyama, Yukihisa. (2022). Imaging optical system, imaging apparatus, stereo camera, distance measuring apparatus, and mobile object (U.S. Patent No. 11422329). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11422329
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile