Inventor

IIZUKA HIDEO

US69 patents

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

TOYOTA ENG & MFG NORTH AMERICA

35 patents

US11204204B2Dec 21, 2021

Acoustic absorber with integrated heat sink

TOYOTA ENG & MFG NORTH AMERICA12 citations86

US11114080B2Sep 7, 2021

Duct sound absorber

TOYOTA ENG & MFG NORTH AMERICA9 citations86

US11043199B2Jun 22, 2021

Sparse acoustic absorber

TOYOTA ENG & MFG NORTH AMERICA9 citations86

US11170751B1Nov 9, 2021

Active noise control for vehicle with a single open window

TOYOTA ENG & MFG NORTH AMERICA7 citations84

US8803484B2Aug 12, 2014

Wireless energy transfer antennas and energy charging systems

TOYOTA ENG & MFG NORTH AMERICA8 citations84

US11688379B2Jun 27, 2023

Plate bending wave absorber

TOYOTA ENG & MFG NORTH AMERICA3 citations73

US11671747B2Jun 6, 2023

Tunable loudspeaker absorber

TOYOTA ENG & MFG NORTH AMERICA2 citations73

US11626094B2Apr 11, 2023

Membrane acoustic absorber

TOYOTA ENG & MFG NORTH AMERICA3 citations73

US11415556B2Aug 16, 2022

Acoustic wave superscattering

TOYOTA ENG & MFG NORTH AMERICA5 citations73

US11322126B2May 3, 2022

Broadband sparse acoustic absorber

TOYOTA ENG & MFG NORTH AMERICA5 citations73

US11164559B2Nov 2, 2021

Selective sound transmission and active sound transmission control

TOYOTA ENG & MFG NORTH AMERICA2 citations73

US11153681B2Oct 19, 2021

Acoustic direction sensor

TOYOTA ENG & MFG NORTH AMERICA3 citations73

US9971162B2May 15, 2018

Apparatuses and methods for making an object appear transparent

TOYOTA ENG & MFG NORTH AMERICA5 citations73

US11656337B2May 23, 2023

Photonic apparatus integrating optical sensing and optical processing components

TOYOTA ENG & MFG NORTH AMERICA2 citations69

US12349594B2Jul 1, 2025

Self-adaptive flexural wave absorbing system and related method

TOYOTA ENG & MFG NORTH AMERICA1 citations64

US12339075B2Jun 24, 2025

Bi-functional thermal cooling systems and methods thereof

TOYOTA ENG & MFG NORTH AMERICA0 citations62

US12308009B2May 20, 2025

Magnetic coupling for sound transmission

TOYOTA ENG & MFG NORTH AMERICA0 citations62

US12228353B2Feb 18, 2025

Near-field radiative heat transfer systems and methods of use thereof

TOYOTA ENG & MFG NORTH AMERICA0 citations62

US12225825B2Feb 11, 2025

Systems and methods for adaptive flexural wave absorber

TOYOTA ENG & MFG NORTH AMERICA0 citations62

US12111492B2Oct 8, 2024

Adaptable optical neural network system

TOYOTA ENG & MFG NORTH AMERICA0 citations62

US11978428B2May 7, 2024

Magnetic coupling for sound transmission

TOYOTA ENG & MFG NORTH AMERICA0 citations62

US11798771B2Oct 24, 2023

Adjustable frequency tube resonators

TOYOTA ENG & MFG NORTH AMERICA0 citations62

US11723278B2Aug 8, 2023

Photo-induced tunable metamaterial

TOYOTA ENG & MFG NORTH AMERICA1 citations62

US11674759B2Jun 13, 2023

Multi mode heat transfer systems

TOYOTA ENG & MFG NORTH AMERICA0 citations62

US11668680B2Jun 6, 2023

Plate bending wave direction sensor

TOYOTA ENG & MFG NORTH AMERICA0 citations62

US11662048B2May 30, 2023

Compact duct sound absorber

TOYOTA ENG & MFG NORTH AMERICA0 citations62

US11664779B2May 30, 2023

Acoustic impedance matching with bubble resonators

TOYOTA ENG & MFG NORTH AMERICA0 citations62

US11643202B2May 9, 2023

Drone with semi-rigid structure and selectively actuated arms

TOYOTA ENG & MFG NORTH AMERICA0 citations62

US11562728B2Jan 24, 2023

Shaped acoustic absorber

TOYOTA ENG & MFG NORTH AMERICA1 citations62

US11527229B2Dec 13, 2022

Magnetic coupling for sound transmission

TOYOTA ENG & MFG NORTH AMERICA0 citations62

US11482203B2Oct 25, 2022

Sparse acoustic reflector

TOYOTA ENG & MFG NORTH AMERICA1 citations62

US11448281B2Sep 20, 2022

Superscattering of plate bending wave

TOYOTA ENG & MFG NORTH AMERICA0 citations62

US11341951B2May 24, 2022

One-way sound transmission structure

TOYOTA ENG & MFG NORTH AMERICA0 citations62

US11004439B2May 11, 2021

Acoustic absorber

TOYOTA ENG & MFG NORTH AMERICA0 citations62

US10978038B2Apr 13, 2021

Invisible sound barrier

TOYOTA ENG & MFG NORTH AMERICA1 citations62

IIZUKA HIDEO

7 patents

US8466660B2Jun 18, 2013

Wireless energy transfer antennas and energy charging systems

IIZUKA HIDEO16 citations92

US8467643B2Jun 18, 2013

Optical device using double-groove grating

IIZUKA HIDEO9 citations83

US8976450B2Mar 10, 2015

Optical light switch having two internally located diffraction gratings separated by liquid medium

IIZUKA HIDEO4 citations72

US8400706B2Mar 19, 2013

Acousto-optic scanner

IIZUKA HIDEO5 citations72

US8098430B2Jan 17, 2012

Grating structure for directing non-polarized light

IIZUKA HIDEO6 citations72

US9136406B2Sep 15, 2015

Solar cell assembly with diffraction gratings

IIZUKA HIDEO3 citations62

US8675279B2Mar 18, 2014

Grating structure for dividing light

IIZUKA HIDEO2 citations62

TOYODA CHUO KENKYUSHO KK

2 patents

US6424298B1Jul 23, 2002

Microstrip array antenna

TOYODA CHUO KENKYUSHO KK106 citations98

US6580335B1Jun 17, 2003

Waveguide-transmission line transition having a slit and a matching element

TOYODA CHUO KENKYUSHO KK37 citations92

LEE JAEWOOK

2 patents

US8736136B2May 27, 2014

Magnetic field manipulation in switched reluctance motors and design method

LEE JAEWOOK6 citations73

US8451080B2May 28, 2013

Magnetic field focusing for actuator applications

LEE JAEWOOK6 citations73

NEC CORP

1 patent

US6751712B2Jun 15, 2004

Circuit and method for executing access control of virtual channel memory preventing deterioration of data transfer rate

NEC CORP12 citations74

BANERJEE DEBASISH

1 patent

US8797702B2Aug 5, 2014

Focusing device for low frequency operation

BANERJEE DEBASISH4 citations73

TOYOTA MOTOR ENG & MFG NORTH AMERICA INC

1 patent

US9701211B2Jul 11, 2017

Wireless energy transfer antennas and energy charging systems

TOYOTA MOTOR ENG & MFG NORTH AMERICA INC1 citations63

TOYOTA MOTOR CO LTD

1 patent

US7808440B2Oct 5, 2010

Multiple-resonance antenna

TOYOTA MOTOR CO LTD3 citations63

Showing the top 50 of 69 patents by PatentIndex Score.