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:
Oct. 19, 2004
Filed:
Jul. 03, 2001
Applicant:
Inventors:
Shinji Ishikawa, Yokohama, JP;
Motonori Nakamura, Yokohama, JP;
Masao Tsukitani, Yokohama, JP;
Eisuke Sasaoka, Yokohama, JP;
Assignee:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/255 ;
U.S. Cl.
CPC ...
G02B 6/255 ;
Abstract
An optical transmission line including a portion formed by fusion-splicing optical fibers having structures different from each other; wherein, in the optical fibers having structures different from each other, a first optical fiber has a mode field diameter smaller than that of a second optical fiber fusion-spliced thereto; and wherein the first optical fiber has an average viscosity from a center to an outermost layer greater than that of the second optical fiber from a center to an outermost layer.