Inventor
ASHIDA YUTA
JP44 patents
⚠️ This page may combine multiple inventors who share the name “ASHIDA YUTA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
36 patentsUS10084225B2Sep 25, 2018
Directional coupler
TDK CORP8 citations83
US9893408B2Feb 13, 2018
Directional coupler
TDK CORP7 citations83
US9653771B2May 16, 2017
Directional coupler
TDK CORP10 citations83
US11081767B2Aug 3, 2021
Multilayered filter device
TDK CORP2 citations72
US11056793B2Jul 6, 2021
Antenna module
TDK CORP2 citations72
US10957959B2Mar 23, 2021
Band-pass filter
TDK CORP2 citations72
US10658720B2May 19, 2020
Multilayer electronic component
TDK CORP2 citations72
US10505243B2Dec 10, 2019
Balun
TDK CORP4 citations72
US11769942B2Sep 26, 2023
Antenna device
TDK CORP2 citations71
US11664778B2May 30, 2023
Band-pass filter
TDK CORP2 citations71
US11522281B2Dec 6, 2022
Antenna device
TDK CORP3 citations71
US11476822B2Oct 18, 2022
Band-pass filter
TDK CORP3 citations71
US10658737B2May 19, 2020
Composite electronic component
TDK CORP2 citations68
US11757424B2Sep 12, 2023
Band-pass filter
TDK CORP1 citations62
US12323122B2Jun 3, 2025
Filter circuit and multilayered filter device
TDK CORP1 citations61
US12155117B2Nov 26, 2024
Antenna device
TDK CORP0 citations61
US11522259B2Dec 6, 2022
Multilayered filter device
TDK CORP0 citations61
US10950917B2Mar 16, 2021
Dielectric resonator and dielectric filter
TDK CORP0 citations61
US10784551B2Sep 22, 2020
Band-pass filter
TDK CORP1 citations61
US10749234B2Aug 18, 2020
Band-pass filter
TDK CORP1 citations61
US12308813B2May 20, 2025
Filter circuit and multilayered filter device
TDK CORP0 citations60
US12500323B2Dec 16, 2025
Multilayered filter device
TDK CORP0 citations59
US10432161B2Oct 1, 2019
Band-pass filter
TDK CORP1 citations57
US12199363B2Jan 14, 2025
Antenna module
TDK CORP0 citations51
US11431071B2Aug 30, 2022
Multilayer balun
TDK CORP0 citations50
US11283147B2Mar 22, 2022
Directional coupler
TDK CORP0 citations50
US10727557B2Jul 28, 2020
Dielectric resonator and dielectric filter
TDK CORP0 citations50
US12401108B2Aug 26, 2025
Filter circuit
TDK CORP0 citations49
US12580289B2Mar 17, 2026
Filter
TDK CORP0 citations48
US12519449B2Jan 6, 2026
Multilayer electronic component
TDK CORP0 citations48
US12348210B2Jul 1, 2025
Multilayer filter
TDK CORP0 citations48
US12341485B2Jun 24, 2025
Multilayer filter
TDK CORP0 citations48
US11955681B2Apr 9, 2024
Band-pass filter
TDK CORP0 citations47
US10381700B2Aug 13, 2019
Dielectric filter
TDK CORP0 citations41
US10854939B2Dec 1, 2020
Dielectric filter
TDK CORP0 citations40
US10432165B2Oct 1, 2019
Balanced/unbalanced converter
TDK CORP0 citations40
NEC CORP
7 patentsUS11222532B2Jan 11, 2022
Traffic control support system, traffic control support method, and program recording medium
NEC CORP3 citations72
US10950123B2Mar 16, 2021
Traffic control system, traffic information output device, traffic control method, and recording medium
NEC CORP2 citations72
US10540891B2Jan 21, 2020
Traffic-congestion prevention system, traffic-congestion prevention method, and recording medium
NEC CORP4 citations72
US11423782B2Aug 23, 2022
Traffic status estimation device, traffic status estimation method, and program recording medium
NEC CORP0 citations62
US11127289B2Sep 21, 2021
Traffic congestion estimating device, traffic congestion estimating method, and recording medium storing program thereof
NEC CORP0 citations52
US9515868B2Dec 6, 2016
System and method for communication
NEC CORP1 citations51
US10021015B2Jul 10, 2018
Network control device, network control method, and storage medium
NEC CORP0 citations39