Inventor

HIRAI SHIGERU

JP14 patents

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

SUMITOMO ELECTRIC INDUSTRIES

9 patents

US5384874AJan 24, 1995

Optical fiber rod lens device and method of making same

SUMITOMO ELECTRIC INDUSTRIES89 citations96

US5513290AApr 30, 1996

Coupling structure of optical fibers and optical waveguides

SUMITOMO ELECTRIC INDUSTRIES31 citations92

US5481632AJan 2, 1996

Optical waveguide module and method of manufacturing the same

SUMITOMO ELECTRIC INDUSTRIES47 citations92

US5381261AJan 10, 1995

Optical isolator

SUMITOMO ELECTRIC INDUSTRIES28 citations91

US5696860ADec 9, 1997

Optical device module and method for manufacturing the same

SUMITOMO ELECTRIC INDUSTRIES16 citations73

US5471306ANov 28, 1995

Method for assembling optical isolator and method for measuring isolation

SUMITOMO ELECTRIC INDUSTRIES11 citations73

US5408491AApr 18, 1995

Optical isolator

SUMITOMO ELECTRIC INDUSTRIES10 citations73

US5265179ANov 23, 1993

Method of manufacturing fiber-optic collimators

SUMITOMO ELECTRIC INDUSTRIES8 citations73

US6690872B2Feb 10, 2004

Silica based optical waveguide and production method therefor

SUMITOMO ELECTRIC INDUSTRIES5 citations62

SEIKO EPSON CORP

5 patents

US10078829B2Sep 18, 2018

Information processing device, transaction processing system, and recording device

SEIKO EPSON CORP2 citations73

US9483222B2Nov 1, 2016

POS system, data processing device, and control method of a POS system

SEIKO EPSON CORP0 citations52

US9311029B2Apr 12, 2016

POS system, data processing device, and control method of a POS system

SEIKO EPSON CORP1 citations52

US10990861B2Apr 27, 2021

Printer communication using formatted printing information and alteration or deletion of formatted printing information

SEIKO EPSON CORP0 citations49

US10339516B2Jul 2, 2019

Information processing device, information processing system, and control method of an information processing device

SEIKO EPSON CORP0 citations41