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.:

US 7572746 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 11, 2009

Filed:

Aug. 24, 2004
Applicants:

Junko Ishioka, Sagamihara, JP;

Masahiro Onozawa, Sagamihara, JP;

Inventors:

Junko Ishioka, Sagamihara, JP;

Masahiro Onozawa, Sagamihara, JP;

Assignee:

Kabushiki Kaisha Ohara, Kanagawa-Ken, JP;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C 3/078 (2006.01);
U.S. Cl.
CPC ...
Abstract

An optical glass having optical constants of refractive index (nd) within a range from 1.49 to 1.54 and Abbe number (ν d) within a range from 55 to 65 comprises, in mass %,


Find Patent Forward Citations

Ishioka, Junko. (2009). Optical glass (U.S. Patent No. 7572746). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7572746

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

Loading…