P

Inventor

NAKANISHI TETSUYA

JP116 patents
⚠️ This page may combine multiple inventors who share the name “NAKANISHI TETSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMITOMO ELECTRIC INDUSTRIES

26 patents
US9933331B2Apr 3, 2018

Optical fiber leakage loss measurement method

SUMITOMO ELECTRIC INDUSTRIES7 citations84
US7233727B2Jun 19, 2007

Optical fiber and optical device using the same

SUMITOMO ELECTRIC INDUSTRIES12 citations84
US11561340B2Jan 24, 2023

Multi-core optical fiber and multi-core optical fiber cable

SUMITOMO ELECTRIC INDUSTRIES4 citations75
US10807330B2Oct 20, 2020

Method of producing optical connection component

SUMITOMO ELECTRIC INDUSTRIES3 citations73
US10739536B2Aug 11, 2020

Optical connection component

SUMITOMO ELECTRIC INDUSTRIES3 citations73
US10422946B2Sep 24, 2019

Coupled multi-core optical fiber

SUMITOMO ELECTRIC INDUSTRIES2 citations73
US10031285B2Jul 24, 2018

Multicore optical fiber

SUMITOMO ELECTRIC INDUSTRIES6 citations73
US10031283B2Jul 24, 2018

Coupled multi-core optical fiber

SUMITOMO ELECTRIC INDUSTRIES2 citations73
US9932265B2Apr 3, 2018

Method of making an optical fiber containing an alkali metal in the core

SUMITOMO ELECTRIC INDUSTRIES2 citations73
US9835520B2Dec 5, 2017

Spatial-mode optical power measurement method and apparatus

SUMITOMO ELECTRIC INDUSTRIES2 citations73
US9759873B2Sep 12, 2017

Method for manufacturing optical module

SUMITOMO ELECTRIC INDUSTRIES2 citations73
US9625656B2Apr 18, 2017

Multi-core optical fiber and method for manufacturing multi-core optical fiber connector

SUMITOMO ELECTRIC INDUSTRIES3 citations73
US9604868B2Mar 28, 2017

Preform manufacturing method

SUMITOMO ELECTRIC INDUSTRIES3 citations73
US9527765B2Dec 27, 2016

Optical fiber manufacturing method and optical fiber

SUMITOMO ELECTRIC INDUSTRIES4 citations73
US9482814B2Nov 1, 2016

Multicore optical fiber and optical module

SUMITOMO ELECTRIC INDUSTRIES6 citations73
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
US10670814B2Jun 2, 2020

Optical connector and optical connection structure

SUMITOMO ELECTRIC INDUSTRIES6 citations72
US10539746B2Jan 21, 2020

Optical connection component

SUMITOMO ELECTRIC INDUSTRIES5 citations72
US10520668B2Dec 31, 2019

Method for producing multicore optical fiber and multicore optical fiber

SUMITOMO ELECTRIC INDUSTRIES2 citations72
USD821330SJun 26, 2018

Optical fiber array

SUMITOMO ELECTRIC INDUSTRIES2 citations72
USD811342SFeb 27, 2018

Optical fiber array

SUMITOMO ELECTRIC INDUSTRIES3 citations72
USD799430SOct 10, 2017

Optical fiber array

SUMITOMO ELECTRIC INDUSTRIES3 citations72
USD799429SOct 10, 2017

Optical fiber array

SUMITOMO ELECTRIC INDUSTRIES3 citations72
US7773847B2Aug 10, 2010

Multimode optical fiber

SUMITOMO ELECTRIC INDUSTRIES7 citations72
US7637125B2Dec 29, 2009

Glass tube processing method, apparatus and glass tube

SUMITOMO ELECTRIC INDUSTRIES7 citations72

MITSUBISHI ELECTRIC CORP

8 patents

SUMITOMO METAL IND

3 patents

HONDA MOTOR CO LTD

3 patents

NAKANISHI TETSUYA

3 patents

KAWASAKI HEAVY IND LTD

3 patents

MEDICAROID CORP

1 patent

YANMAR DIESEL ENGINE CO

1 patent

NIPPON STEEL CHEMICAL & MAT CO LTD

1 patent

SYSMEX CORP

1 patent

Showing the top 50 of 116 patents by PatentIndex Score.