Inventor
KAI MANABU
JP92 patents
⚠️ This page may combine multiple inventors who share the name “KAI MANABU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
37 patentsUS7248221B2Jul 24, 2007
Radio tag antenna structure for an optical recording medium and a case for an optical recording medium with a radio tag antenna
FUJITSU LTD170 citations99
US7659863B2Feb 9, 2010
Tag antenna
FUJITSU LTD20 citations93
US7538738B2May 26, 2009
Tag-use antenna and tag using the same
FUJITSU LTD17 citations93
US7486192B2Feb 3, 2009
RFID tag with frequency adjusting portion
FUJITSU LTD23 citations93
US7342498B2Mar 11, 2008
Radio frequency identification (RFID) tag and manufacturing method thereof
FUJITSU LTD29 citations93
US7323994B2Jan 29, 2008
RFID tag
FUJITSU LTD27 citations93
US7277017B2Oct 2, 2007
RFID tag
FUJITSU LTD28 citations93
US6873864B2Mar 29, 2005
Superconductive filter module, superconductive filter assembly and heat insulating type coaxial cable
FUJITSU LTD26 citations93
US7218184B2May 15, 2007
Superconducting filter
FUJITSU LTD25 citations92
US6823201B2Nov 23, 2004
Superconducting microstrip filter having current density reduction parts
FUJITSU LTD21 citations92
US7916032B2Mar 29, 2011
Radio frequency identification (RFID) tag and manufacturing method thereof
FUJITSU LTD7 citations84
US7911404B2Mar 22, 2011
RF tag and method of producing RF tag
FUJITSU LTD8 citations84
US7598873B2Oct 6, 2009
RFID tag and manufacturing method thereof
FUJITSU LTD12 citations84
US7586414B2Sep 8, 2009
Radio tag
FUJITSU LTD12 citations84
US7580000B2Aug 25, 2009
Folding dipole antenna and tag using the same
FUJITSU LTD11 citations84
US7570225B2Aug 4, 2009
Antenna and non-contact tag
FUJITSU LTD16 citations84
US7548167B2Jun 16, 2009
RF tag and method of manufacturing the RF tag
FUJITSU LTD14 citations84
US7446727B2Nov 4, 2008
Cross dipole antenna and tag using the same
FUJITSU LTD17 citations84
US7378972B2May 27, 2008
RFID tag
FUJITSU LTD11 citations84
US7324058B2Jan 29, 2008
Tag antenna, tag and RFID system using the same
FUJITSU LTD9 citations84
US6859029B2Feb 22, 2005
System and method for monitoring high-frequency circuits
FUJITSU LTD13 citations84
US8912960B1Dec 16, 2014
Antenna apparatus
FUJITSU LTD10 citations83
US8022878B2Sep 20, 2011
RFID tag and manufacturing method thereof
FUJITSU LTD6 citations74
US7928921B2Apr 19, 2011
Tag-use antenna and tag using the same
FUJITSU LTD6 citations74
US7408467B2Aug 5, 2008
Antenna and RFID tag mounting the same
FUJITSU LTD7 citations74
US7205954B2Apr 17, 2007
Meander line antenna
FUJITSU LTD8 citations74
US7174197B2Feb 6, 2007
Superconductive filter module, superconductive filter assembly and heat insulating type coaxial cable
FUJITSU LTD7 citations74
US7058436B2Jun 6, 2006
Superconducting filter apparatus and wireless receiving amplifier having an abnormality discriminating circuit
FUJITSU LTD9 citations74
US6980841B2Dec 27, 2005
Filter device having spiral resonators connected by a linear section
FUJITSU LTD10 citations74
US9922283B2Mar 20, 2018
RFID tag and high frequency circuit
FUJITSU LTD4 citations73
US9010648B2Apr 21, 2015
Antenna and RFID tag
FUJITSU LTD6 citations73
US9590307B2Mar 7, 2017
Antenna apparatus
FUJITSU LTD2 citations72
US9563838B2Feb 7, 2017
Loop antenna and radio frequency tag
FUJITSU LTD5 citations72
US10862212B2Dec 8, 2020
Antenna device and wireless communication device
FUJITSU LTD2 citations71
US10454176B2Oct 22, 2019
Antenna apparatus and electronic device
FUJITSU LTD2 citations71
US8022886B2Sep 20, 2011
Crossed dual tag apparatus and system using crossed dual tag apparatus
FUJITSU LTD6 citations63
US7904129B2Mar 8, 2011
Superconducting device with a disk shape resonator pattern that is adjustable in bandwidth
FUJITSU LTD2 citations63
YAMAHA MOTOR CO LTD
5 patentsUS5445121AAug 29, 1995
Engine operational control unit
YAMAHA MOTOR CO LTD27 citations93
US6547021B1Apr 15, 2003
Decompression arrangement for land vehicle
YAMAHA MOTOR CO LTD22 citations92
US9688354B2Jun 27, 2017
Snowmobile
YAMAHA MOTOR CO LTD5 citations82
US5462031AOct 31, 1995
Air-to-fuel ratio control unit for internal combustion engine
YAMAHA MOTOR CO LTD10 citations74
US10030577B2Jul 24, 2018
Vehicle
YAMAHA MOTOR CO LTD3 citations73
YAMAGAJO TAKASHI
4 patentsUS8134505B2Mar 13, 2012
RF tag and method of manufacturing the RF tag
YAMAGAJO TAKASHI12 citations84
US8068057B2Nov 29, 2011
RFID tag
YAMAGAJO TAKASHI10 citations84
US8462052B2Jun 11, 2013
RFID tag and manufacturing method thereof
YAMAGAJO TAKASHI3 citations63
US8172149B2May 8, 2012
Wireless frequency tag and method for manufacturing wireless frequency tag
YAMAGAJO TAKASHI3 citations63
KOYO SEIKO CO
1 patentNAGAO TOKINARI
1 patentKAI MANABU
1 patentDAICEL LTD
1 patentShowing the top 50 of 92 patents by PatentIndex Score.