Inventor
SOHMA KAZUYUKI
JP26 patents
⚠️ This page may combine multiple inventors who share the name “SOHMA KAZUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
21 patentsUS8989543B2Mar 24, 2015
Optical cable
SUMITOMO ELECTRIC INDUSTRIES11 citations83
US10509161B2Dec 17, 2019
Optical fiber
SUMITOMO ELECTRIC INDUSTRIES6 citations72
US10358577B2Jul 23, 2019
Ultraviolet-curable resin composition and optical fiber
SUMITOMO ELECTRIC INDUSTRIES4 citations72
US10162108B2Dec 25, 2018
Optical fiber
SUMITOMO ELECTRIC INDUSTRIES4 citations72
US10048436B2Aug 14, 2018
Optical fiber
SUMITOMO ELECTRIC INDUSTRIES6 citations72
US9229159B2Jan 5, 2016
Optical fiber
SUMITOMO ELECTRIC INDUSTRIES3 citations72
US9186078B2Nov 17, 2015
Optical fiber sheet
SUMITOMO ELECTRIC INDUSTRIES4 citations72
US9746605B2Aug 29, 2017
Optical fiber
SUMITOMO ELECTRIC INDUSTRIES6 citations71
US12399315B2Aug 26, 2025
Method of manufacturing optical fiber and optical-fiber-manufacturing apparatus
SUMITOMO ELECTRIC INDUSTRIES0 citations62
US12054629B2Aug 6, 2024
Resin composition, optical fiber, and method for manufacturing optical fiber
SUMITOMO ELECTRIC INDUSTRIES0 citations62
US11960115B2Apr 16, 2024
Optical fiber
SUMITOMO ELECTRIC INDUSTRIES0 citations62
US11835756B2Dec 5, 2023
Optical fiber with primary and secondary coating layers
SUMITOMO ELECTRIC INDUSTRIES0 citations62
US6997016B2Feb 14, 2006
Method and apparatus for manufacturing glass tube
SUMITOMO ELECTRIC INDUSTRIES2 citations62
US11947161B2Apr 2, 2024
Resin composition, optical fiber secondary coating material, optical fiber and manufacturing method of optical fiber
SUMITOMO ELECTRIC INDUSTRIES0 citations61
US9733425B2Aug 15, 2017
Optical fiber and process for producing the same
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US12541050B2Feb 3, 2026
Method for manufacturing optical fiber and optical fiber
SUMITOMO ELECTRIC INDUSTRIES0 citations51
US12487397B2Dec 2, 2025
Optical fiber
SUMITOMO ELECTRIC INDUSTRIES0 citations51
US12111494B2Oct 8, 2024
Optical fiber and method for manufacturing optical fiber
SUMITOMO ELECTRIC INDUSTRIES0 citations51
US12585062B2Mar 24, 2026
Optical fiber
SUMITOMO ELECTRIC INDUSTRIES0 citations47
US10451796B2Oct 22, 2019
Optical fiber and method for producing optical fiber
SUMITOMO ELECTRIC INDUSTRIES0 citations42
US10809458B2Oct 20, 2020
Splicing structure of optical fibers
SUMITOMO ELECTRIC INDUSTRIES0 citations40