Inventor
IWATA YUICHI
JP36 patents
⚠️ This page may combine multiple inventors who share the name “IWATA YUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK INSULATORS LTD
31 patentsUS8384989B2Feb 26, 2013
Electromagnetic wave oscillating devices
NGK INSULATORS LTD10 citations84
US7995872B2Aug 9, 2011
Optical modulator component and optical modulator
NGK INSULATORS LTD10 citations84
US7854049B2Dec 21, 2010
Method of manufacturing a piezoelectric thin film device
NGK INSULATORS LTD11 citations84
US7532777B2May 12, 2009
Optical functional devices
NGK INSULATORS LTD10 citations84
US7382942B2Jun 3, 2008
Optical waveguide devices
NGK INSULATORS LTD11 citations84
US7809218B2Oct 5, 2010
Optical modulators
NGK INSULATORS LTD7 citations74
US7389030B2Jun 17, 2008
Optically functional device
NGK INSULATORS LTD8 citations74
US9574933B2Feb 21, 2017
Terahertz-wave detection element, manufacturing method therefor, and observation apparatus
NGK INSULATORS LTD3 citations73
US8712204B2Apr 29, 2014
Optical modulation element
NGK INSULATORS LTD4 citations73
US8355197B2Jan 15, 2013
Electromagnetic wave oscillating devices
NGK INSULATORS LTD5 citations73
US11262046B2Mar 1, 2022
Phosphor element, method for producing same, and lighting device
NGK INSULATORS LTD4 citations72
US10859747B2Dec 8, 2020
Phosphor element and illumination device
NGK INSULATORS LTD2 citations72
US8542433B2Sep 24, 2013
Electromagnetic wave oscillating devices and a method of producing the same
NGK INSULATORS LTD3 citations63
US8002998B2Aug 23, 2011
Method of producing a slab type two-dimensional photonic crystal structure
NGK INSULATORS LTD5 citations63
US7869669B2Jan 11, 2011
Optical phase modulator
NGK INSULATORS LTD6 citations63
US7787773B1Aug 31, 2010
Radio oscillating and radar systems
NGK INSULATORS LTD3 citations63
US7778497B2Aug 17, 2010
Optical modulators
NGK INSULATORS LTD2 citations63
US7689066B2Mar 30, 2010
Optical Modulator
NGK INSULATORS LTD4 citations63
US7660506B2Feb 9, 2010
Optical waveguide structures
NGK INSULATORS LTD2 citations63
US7529447B2May 5, 2009
Optical waveguide devices
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
US11016233B2May 25, 2021
Optical waveguide structure, phosphor element, and method for manufacturing optical waveguide structure
NGK INSULATORS LTD0 citations62
US11561333B2Jan 24, 2023
White-light generating device with fluorescent body with inclined side surface
NGK INSULATORS LTD0 citations52
US8531760B2Sep 10, 2013
Semiconductor wavelength converting devices and light sources for generating infrared rays
NGK INSULATORS LTD1 citations52
US7787714B2Aug 31, 2010
Optical modulators
NGK INSULATORS LTD0 citations52
US7522791B2Apr 21, 2009
Method for fabricating polarization reversal structure and reversal structure
NGK INSULATORS LTD0 citations52
US11635189B2Apr 25, 2023
Phosphor element and lighting device
NGK INSULATORS LTD0 citations51
US8730565B2May 20, 2014
Electromagnetic wave radiation element and method for producing same
NGK INSULATORS LTD0 citations42
US7668410B2Feb 23, 2010
Production method for polarization inversion unit
NGK INSULATORS LTD0 citations42
KONDO JUNGO
3 patentsUS8305679B2Nov 6, 2012
Electromagnetic wave oscillating devices
KONDO JUNGO10 citations83
US8225684B2Jul 24, 2012
Methods for detecting particulates in a honeycomb filter
KONDO JUNGO10 citations83
US8542434B2Sep 24, 2013
Optical waveguide devices and harmonic wave generating devices
KONDO JUNGO3 citations60