Inventor
KUWAHARA KAZUYA
JP17 patents
⚠️ This page may combine multiple inventors who share the name “KUWAHARA KAZUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
16 patentsUS6735983B1May 18, 2004
Optical fiber drawing method and drawing furnace
SUMITOMO ELECTRIC INDUSTRIES21 citations92
US6928840B1Aug 16, 2005
Optical fiber producing method
SUMITOMO ELECTRIC INDUSTRIES18 citations84
US6810692B2Nov 2, 2004
Method of controlling an upper portion of an optical fiber draw furnace
SUMITOMO ELECTRIC INDUSTRIES14 citations84
US6546760B1Apr 15, 2003
Optical fiber drawing furnace with a zig zag heating element
SUMITOMO ELECTRIC INDUSTRIES17 citations83
US6853784B2Feb 8, 2005
Optical fiber
SUMITOMO ELECTRIC INDUSTRIES6 citations74
US8989545B2Mar 24, 2015
Optical fiber and optical transmission system
SUMITOMO ELECTRIC INDUSTRIES4 citations73
US8687936B2Apr 1, 2014
Optical fiber, optical transmission system, and method of making optical fiber
SUMITOMO ELECTRIC INDUSTRIES6 citations73
US6668592B1Dec 30, 2003
Optical fiber drawing furnace having adjustable partitions
SUMITOMO ELECTRIC INDUSTRIES9 citations73
US6502428B1Jan 7, 2003
Manufacturing method of an optical fiber
SUMITOMO ELECTRIC INDUSTRIES9 citations73
US6530243B1Mar 11, 2003
Method of making an optical fiber with an improved UV-curable resin
SUMITOMO ELECTRIC INDUSTRIES10 citations70
US9128236B2Sep 8, 2015
Optical fiber
SUMITOMO ELECTRIC INDUSTRIES2 citations63
US6907757B2Jun 21, 2005
Drawing method of optical fiber and drawing furnace
SUMITOMO ELECTRIC INDUSTRIES4 citations63
US6935139B2Aug 30, 2005
Method of manufacturing optical fiber
SUMITOMO ELECTRIC INDUSTRIES4 citations62
US6567597B2May 20, 2003
Optical fiber, method of making the same, and optical transmission system including the same
SUMITOMO ELECTRIC INDUSTRIES5 citations62
US6399158B1Jun 4, 2002
Method and apparatus for curing ultraviolet-curing resin
SUMITOMO ELECTRIC INDUSTRIES5 citations62
US8346041B2Jan 1, 2013
Optical communications system
SUMITOMO ELECTRIC INDUSTRIES0 citations52