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:
Dec. 07, 1999
Filed:
Jun. 19, 1992
Applicant:
Inventors:
Akira Eda, Sodegaura, JP;
Kiyofumi Muro, Sodegaura, JP;
Assignee:
Mitsui Chemicals, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
359619 ; 359627 ; 359629 ; 359851 ; 359857 ; 372 21 ; 372 66 ; 372 99 ;
Abstract
An optical device includes a block of optical material. The block includes a first and second end face, and a portion of the first end face includes at least one convex arcuate portion.
Eda, Akira. (1999). Optical device and method of manufacturing the same (U.S. Patent No. 5999325). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5999325
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile