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.

Date of Patent:
Dec. 01, 2020

Filed:

Sep. 17, 2018
Applicant:

Fujifilm Corporation, Tokyo, JP;

Inventors:

Yukiko Nagatoshi, Saitama, JP;

Shunsuke Miyagishima, Saitama, JP;

Kazuyoshi Okada, Saitama, JP;

Ukyo Tomioka, Saitama, JP;

Masaru Yonezawa, Saitama, JP;

Yasutaka Shimada, Saitama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/00 (2006.01); G02B 13/00 (2006.01); G02B 9/64 (2006.01); G02B 13/04 (2006.01); G02B 15/177 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0025 (2013.01); G02B 9/64 (2013.01); G02B 13/0045 (2013.01); G02B 13/04 (2013.01); G02B 15/177 (2013.01);
Abstract

The imaging lens includes at least one negative lens that satisfies predetermined Conditional Expressions (1) to (3) indicating conditions in which dispersion is relatively low and refractive index is high while having a negative rate of change of the refractive index. A positive lens having a largest Abbe number at the d line among positive lenses included in the imaging lens satisfies predetermined Conditional Expressions (4) and (5).


Find Patent Forward Citations

Nagatoshi, Yukiko. (2020). Imaging lens and optical apparatus (U.S. Patent No. 10852535). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10852535

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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