P

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 patents
US8989543B2Mar 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

KAKUTA TATSUYA

2 patents

SOHMA KAZUYUKI

2 patents

SAKABE ITARU

1 patent