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:
Jul. 02, 2013
Filed:
Jun. 15, 2011
Applicants:
Masaki Arakawa, Hachioji, JP;
Keisuke Ichikawa, Tama, JP;
Tetsuya Yanai, Kodaira, JP;
Inventors:
Assignees:
Olympus Imaging Corp., Tokyo, JP;
Olympus Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 5/225 (2006.01); G02B 9/58 (2006.01); G02B 9/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
An image forming optical system of the present invention is characterized by comprising three groups having, in order from an object side to an image side, a first lens group having a negative refractive power, a second lens group having a positive refractive power, and a third lens group having a positive refractive power, or four groups with one more lens group added to the image side,
Quick Actions:
Arakawa, Masaki. (2013). Image forming optical system and electronic image pickup apparatus using the same (U.S. Patent No. 8477230). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8477230
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