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 7920769 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 05, 2011

Filed:

Jan. 19, 2007
Applicants:

Masafumi Nakada, Tokyo, JP;

Jun Akedo, Ibaraki, JP;

Inventors:

Masafumi Nakada, Tokyo, JP;

Jun Akedo, Ibaraki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/10 (2006.01); G02F 1/295 (2006.01);
U.S. Cl.
CPC ...
Abstract

In a compact formed by subjecting an ultrafine particle brittle material supplied on a substrate to mechanical impact force as a load, whereby the ultrafine particle brittle material is crushed and joined to each other, manganese is added into the ultrafine particle brittle material to form the compact.


Find Patent Forward Citations

Nakada, Masafumi. (2011). Optical element, integrated optic device and optical information transmission system (U.S. Patent No. 7920769). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7920769

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

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