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:
Nov. 18, 2014
Filed:
Mar. 11, 2014
Applicant:
Takuya Nagano, Yokohama, JP;
Inventor:
Takuya Nagano, Yokohama, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 1/04 (2006.01); H04N 1/40 (2006.01); H04N 1/193 (2006.01); G02B 13/18 (2006.01); G02B 9/34 (2006.01); H04N 1/028 (2006.01);
U.S. Cl.
CPC ...
G02B 13/18 (2013.01); G02B 9/34 (2013.01); H04N 1/02815 (2013.01);
Abstract
An image reading lens which reads an original image includes a front group lens system on an object side, and a back group lens system on an image side, the front group lens system including three lenses having two positive lenses and a negative lens, and the back group lens system including a plastic negative lens.