Inventor
KOSAKA KEISHI
JP33 patents
⚠️ This page may combine multiple inventors who share the name “KOSAKA KEISHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
18 patentsUS11658372B2May 23, 2023
Transmission line and antenna
NEC CORP7 citations85
US10396460B2Aug 27, 2019
Multiband antenna and wireless communication device
NEC CORP12 citations84
USD927468SAug 10, 2021
Antenna
NEC CORP3 citations73
USD926736SAug 3, 2021
Antenna
NEC CORP3 citations73
US10784589B2Sep 22, 2020
Wireless communication device
NEC CORP3 citations73
US10756420B2Aug 25, 2020
Multi-band antenna and radio communication device
NEC CORP5 citations73
US10651562B2May 12, 2020
Frequency selective surface, antenna, wireless communication device, and radar device
NEC CORP2 citations73
US10476150B2Nov 12, 2019
Wireless communication device
NEC CORP3 citations73
US10476172B2Nov 12, 2019
Antenna, antenna array, and wireless communication device
NEC CORP2 citations73
US10367248B2Jul 30, 2019
Antenna, array antenna, and radio communication apparatus
NEC CORP4 citations73
US10340609B2Jul 2, 2019
Multiband antenna, multiband antenna array, and wireless communications device
NEC CORP4 citations73
US11431098B2Aug 30, 2022
Phase control device, antenna system, and phase control method
NEC CORP0 citations62
US10476132B2Nov 12, 2019
Antenna, antenna array, and radio communication apparatus
NEC CORP1 citations62
US11245195B2Feb 8, 2022
Phase control plate
NEC CORP0 citations61
US11095038B2Aug 17, 2021
Polarization control plate
NEC CORP0 citations61
US9858458B2Jan 2, 2018
Device detecting spatial variation of complex permittivity and system detecting presence/absence of article
NEC CORP0 citations52
US9619681B2Apr 11, 2017
Device detecting spatial variation of complex permittivity and system detecting presence/absence of article
NEC CORP0 citations52
US10411351B2Sep 10, 2019
Antenna and wireless communication device
NEC CORP0 citations41
JAPAN AVIATION ELECTRONICS IND LTD
13 patentsUSD976883SJan 31, 2023
Antenna
JAPAN AVIATION ELECTRONICS IND LTD6 citations85
US11862877B2Jan 2, 2024
Antenna, board and communication device
JAPAN AVIATION ELECTRONICS IND LTD5 citations75
USD976884SJan 31, 2023
Antenna
JAPAN AVIATION ELECTRONICS IND LTD4 citations74
USD976882SJan 31, 2023
Antenna
JAPAN AVIATION ELECTRONICS IND LTD4 citations74
US11380997B2Jul 5, 2022
Antenna
JAPAN AVIATION ELECTRONICS IND LTD2 citations73
USD993943SAug 1, 2023
Antenna
JAPAN AVIATION ELECTRONICS IND LTD3 citations72
US12334650B2Jun 17, 2025
Multi-resonant antenna
JAPAN AVIATION ELECTRONICS IND LTD0 citations62
US11626664B2Apr 11, 2023
Antenna
JAPAN AVIATION ELECTRONICS IND LTD0 citations62
US11552399B2Jan 10, 2023
Split-ring resonator, board and connector
JAPAN AVIATION ELECTRONICS IND LTD0 citations62
US11545755B2Jan 3, 2023
Conductor, antenna, and communication device
JAPAN AVIATION ELECTRONICS IND LTD0 citations62
US12142840B2Nov 12, 2024
Antenna device
JAPAN AVIATION ELECTRONICS IND LTD0 citations52
US11843159B2Dec 12, 2023
Split ring resonator and communication device
JAPAN AVIATION ELECTRONICS IND LTD0 citations52
US11476580B2Oct 18, 2022
Antenna and communication device
JAPAN AVIATION ELECTRONICS IND LTD0 citations45