P

Inventor

YAMAGUCHI SHOICHIRO

JP42 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGUCHI SHOICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NGK INSULATORS LTD

36 patents
US7854049B2Dec 21, 2010

Method of manufacturing a piezoelectric thin film device

NGK INSULATORS LTD11 citations84
US7598826B2Oct 6, 2009

Piezoelectric thin film device having a drive section with a weighted portion

NGK INSULATORS LTD11 citations84
US7372621B2May 13, 2008

Wavelength converting devices

NGK INSULATORS LTD12 citations84
US7373065B2May 13, 2008

Optical waveguide substrate and harmonics generating device

NGK INSULATORS LTD11 citations84
US11385334B2Jul 12, 2022

Optical scanning element

NGK INSULATORS LTD2 citations73
US9859684B2Jan 2, 2018

Grating element and external-resonator-type light emitting device

NGK INSULATORS LTD2 citations73
US9331454B2May 3, 2016

External resonator type light emitting system

NGK INSULATORS LTD5 citations73
US10859747B2Dec 8, 2020

Phosphor element and illumination device

NGK INSULATORS LTD2 citations72
US6731422B2May 4, 2004

Method for forming a polarization-inversed portion

NGK INSULATORS LTD10 citations72
US10063034B2Aug 28, 2018

External resonator-type light emitting device

NGK INSULATORS LTD2 citations63
US9184564B2Nov 10, 2015

External resonator type light emitting system

NGK INSULATORS LTD3 citations63
US7738161B2Jun 15, 2010

Wavelength converting devices

NGK INSULATORS LTD2 citations63
US7609133B2Oct 27, 2009

Piezoelectric thin film device having an additional film outside an excitation region

NGK INSULATORS LTD4 citations63
US7453625B2Nov 18, 2008

Method of producing domain inversion parts and optical devices

NGK INSULATORS LTD4 citations63
US12438336B2Oct 7, 2025

Phosphor element, phosphor device, and illumination apparatus

NGK INSULATORS LTD0 citations62
US11674652B2Jun 13, 2023

Phosphor element, phosphor device, and illumination device

NGK INSULATORS LTD0 citations62
US11112086B2Sep 7, 2021

Phosphor element and lighting device

NGK INSULATORS LTD0 citations62
US11016233B2May 25, 2021

Optical waveguide structure, phosphor element, and method for manufacturing optical waveguide structure

NGK INSULATORS LTD0 citations62
US10995934B2May 4, 2021

Optical component including a translucent substrate for adjustable light scattering and lighting device including the same

NGK INSULATORS LTD0 citations62
US10746926B2Aug 18, 2020

Optical waveguide substrate

NGK INSULATORS LTD0 citations52
US10564513B2Feb 18, 2020

Optical waveguide devices

NGK INSULATORS LTD0 citations52
US10393931B2Aug 27, 2019

Grating element

NGK INSULATORS LTD0 citations52
US10003175B2Jun 19, 2018

External-resonator-type light-emitting device

NGK INSULATORS LTD0 citations52
US9979157B2May 22, 2018

External-resonator-type light-emitting device

NGK INSULATORS LTD0 citations52
US9915794B2Mar 13, 2018

Optical device, and optical-device production method

NGK INSULATORS LTD1 citations52
US9874694B2Jan 23, 2018

Production method for mounting structure for grating elements

NGK INSULATORS LTD0 citations52
US9627853B2Apr 18, 2017

External resonator-type light emitting device

NGK INSULATORS LTD0 citations52
US9298025B2Mar 29, 2016

Electrode structure for an optical waveguide substrate

NGK INSULATORS LTD0 citations52
US7522791B2Apr 21, 2009

Method for fabricating polarization reversal structure and reversal structure

NGK INSULATORS LTD0 citations52
US9733546B2Aug 15, 2017

Optical component

NGK INSULATORS LTD0 citations51
US10720746B2Jul 21, 2020

Optical element and method for manufacturing optical element

NGK INSULATORS LTD0 citations46
US11332849B2May 17, 2022

Method of producing periodic polarization inversion structures

NGK INSULATORS LTD0 citations44
US9933569B2Apr 3, 2018

Evanescent light generation element and evanescent light generation device

NGK INSULATORS LTD0 citations42
US7668410B2Feb 23, 2010

Production method for polarization inversion unit

NGK INSULATORS LTD0 citations42
US10074962B2Sep 11, 2018

Grating element and external resonator type light emitting device

NGK INSULATORS LTD0 citations41
US8917443B2Dec 23, 2014

Wavelength converting devices

NGK INSULATORS LTD0 citations34

TOKYO INST TECH

3 patents

HITACHI LTD

2 patents

KONDO JUNGO

1 patent