Inventor

IMAIZUMI TSUYOSHI

JP8 patents

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

SUMITOMO ELECTRIC INDUSTRIES

2 patents

US5781678AJul 14, 1998

Optical fiber path joint member and method of blowing optical fiber

SUMITOMO ELECTRIC INDUSTRIES111 citations97

US11320593B2May 3, 2022

Optical fiber cleaver and optical fiber cleaving method

SUMITOMO ELECTRIC INDUSTRIES1 citations57

NEC CORP

2 patents

US6362951B1Mar 26, 2002

Container for use in a communication apparatus having a plurality from one another in waterproof level of independent chambers which are different

NEC CORP28 citations91

US6178282B1Jan 23, 2001

Attaching arrangement of an optical cable case to a container box of a communication apparatus

NEC CORP16 citations82

NIPPON TSUSHIN DENZAI CO LTD

2 patents

US12585069B2Mar 24, 2026

Optical connector

NIPPON TSUSHIN DENZAI CO LTD0 citations43

US12455419B2Oct 28, 2025

Optical fiber connecting jig and optical connector

NIPPON TSUSHIN DENZAI CO LTD0 citations43

BRIDGESTONE CORP

1 patent

US7740788B2Jun 22, 2010

Method of correcting shape of green tire and apparatus for carrying out the same

BRIDGESTONE CORP12 citations76

IMAIZUMI TSUYOSHI

1 patent

US8254741B2Aug 28, 2012

Optical cable connecting closure and optical interconnection system

IMAIZUMI TSUYOSHI13 citations74