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:
Sep. 10, 2013
Filed:
Dec. 19, 2008
Applicants:
Tadahiko Nakai, Hyogo, JP;
Takaharu Kinoshita, Hyogo, JP;
Takeshi Satake, Hyogo, JP;
Takeji Akutsu, Hyogo, JP;
Motohiko Yamasaki, Hyogo, JP;
Inventors:
Tadahiko Nakai, Hyogo, JP;
Takaharu Kinoshita, Hyogo, JP;
Takeshi Satake, Hyogo, JP;
Takeji Akutsu, Hyogo, JP;
Motohiko Yamasaki, Hyogo, JP;
Assignee:
Mitsubishi Cable Industries, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/02 (2006.01); G02B 6/10 (2006.01); G02B 6/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical fiber includes a core () having an oblong rectangular or square cross section and made of quartz, a cladding () surrounding the core (), having a circular outer cross-sectional shape, having a lower refractive index than the core (), and made of resin, and a support layer () surrounding the cladding () and made of quartz.