Inventor
HANKUI EIJI
JP31 patents
⚠️ This page may combine multiple inventors who share the name “HANKUI EIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
21 patentsUS6557154B1Apr 29, 2003
Printed circuit board design support system, printed circuit board design method and storage medium storing control program for same
NEC CORP93 citations96
US6515634B2Feb 4, 2003
Structure for controlling the radiation pattern of a linear antenna
NEC CORP53 citations96
US7164898B2Jan 16, 2007
Wireless portable device
NEC CORP20 citations92
US7031744B2Apr 18, 2006
Compact cellular phone
NEC CORP44 citations92
US6745057B1Jun 1, 2004
Portable telephone
NEC CORP26 citations92
US5789929AAug 4, 1998
Method and device for measuring the specific absorption rate of electric power in a simulated human body
NEC CORP33 citations92
US5610519AMar 11, 1997
Device and method for measuring specific absorption rate of electromagnetic waves in models of human bodies
NEC CORP25 citations92
US5514971AMay 7, 1996
Method and apparatus for testing an immunity to electromagnetic interference and apparatus for irradiating radio wave for immunity test
NEC CORP39 citations92
US8379408B2Feb 19, 2013
Electromagnetic shield structure, wireless device using the structure, and method of manufacturing electromagnetic shield
NEC CORP11 citations84
US7162284B2Jan 9, 2007
Mobile phone, analysis device included therein, and analysis method
NEC CORP7 citations74
USD927468SAug 10, 2021
Antenna
NEC CORP3 citations73
USD926736SAug 3, 2021
Antenna
NEC CORP3 citations73
US7994753B2Aug 9, 2011
Portable communication apparatus and a battery pack
NEC CORP5 citations63
US7142817B2Nov 28, 2006
Portable telephone
NEC CORP5 citations63
US11431098B2Aug 30, 2022
Phase control device, antenna system, and phase control method
NEC CORP0 citations62
US7504837B2Mar 17, 2009
Electrical characteristics measurement method and electrical characteristics measurement device
NEC CORP2 citations62
US11245195B2Feb 8, 2022
Phase control plate
NEC CORP0 citations61
US11095038B2Aug 17, 2021
Polarization control plate
NEC CORP0 citations61
US7990747B2Aug 2, 2011
Semiconductor chip and semiconductor device
NEC CORP1 citations52
US10930989B2Feb 23, 2021
Structural body, laminated structure of structural body, and antenna structure
NEC CORP0 citations49
US10411351B2Sep 10, 2019
Antenna and wireless communication device
NEC CORP0 citations41
JAPAN AVIATION ELECTRONICS IND LTD
7 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
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