Inventor
TSUNEISHI KATSUYUKI
JP13 patents
Patents
13 patentsUS6735983B1May 18, 2004
Optical fiber drawing method and drawing furnace
SUMITOMO ELECTRIC INDUSTRIES21 citations92
US6546760B1Apr 15, 2003
Optical fiber drawing furnace with a zig zag heating element
SUMITOMO ELECTRIC INDUSTRIES17 citations83
US4512281AApr 23, 1985
Method for coating optical transmission glass fibers
SUMITOMO ELECTRIC INDUSTRIES15 citations82
US6519404B1Feb 11, 2003
Method and apparatus for fabricating coated optical fiber, and coated optical fiber
SUMITOMO ELECTRIC INDUSTRIES14 citations79
US4770898ASep 13, 1988
Method for producing optical fiber
SUMITOMO ELECTRIC INDUSTRIES20 citations79
US6711335B1Mar 23, 2004
Heat resistant optical fiber core
SUMITOMO ELECTRIC INDUSTRIES10 citations73
US4539219ASep 3, 1985
Method for coating optical transmission glass fibers
SUMITOMO ELECTRIC INDUSTRIES7 citations73
US5922098AJul 13, 1999
Cleaning a glass preform with a high temperature inert gas during the drawing of an optical fiber
SUMITOMO ELECTRIC INDUSTRIES10 citations72
US5449393ASep 12, 1995
Method and apparatus for detecting irregular part of optical fiber
SUMITOMO ELECTRIC INDUSTRIES18 citations66
US4892572AJan 9, 1990
Optical fiber drawing apparatus
SUMITOMO ELECTRIC INDUSTRIES5 citations62
US12448317B2Oct 21, 2025
Method of manufacturing optical fiber and apparatus for manufacturing optical fiber
SUMITOMO ELECTRIC INDUSTRIES0 citations61
US9567252B2Feb 14, 2017
Optical fiber drawing method and optical fiber drawing apparatus
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US11795099B2Oct 24, 2023
Furnace gas feeding device, optical fiber production device, and optical fiber production method
SUMITOMO ELECTRIC INDUSTRIES0 citations51