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:
Aug. 29, 1995
Filed:
Sep. 21, 1994
Applicant:
Inventors:
Tsuyoshi Nonaka, Kanagawa, JP;
Nobuhiro Akasaka, Kanagawa, JP;
Assignee:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385128 ; 385126 ; 385127 ; 385123 ; 385114 ;
Abstract
A coated optical fiber includes an optical fiber, a primary coating layer disposed on the optical fiber, and a colored layer provided on the primary coating layer. Ink used in the colored layer has small change of weight due to immersion into water or a sensitizer in the ink has small solubility to water.