Inventor
KAWAHATA KAZUNARI
JP69 patents
⚠️ This page may combine multiple inventors who share the name “KAWAHATA KAZUNARI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MURATA MANUFACTURING CO
45 patentsUS5936589AAug 10, 1999
Dielectric rod antenna
MURATA MANUFACTURING CO248 citations99
US5861854AJan 19, 1999
Surface-mount antenna and a communication apparatus using the same
MURATA MANUFACTURING CO159 citations99
US6323811B1Nov 27, 2001
Surface-mount antenna and communication device with surface-mount antenna
MURATA MANUFACTURING CO146 citations98
US6320545B1Nov 20, 2001
Surface-mount antenna and communication apparatus using the same
MURATA MANUFACTURING CO115 citations98
US6281848B1Aug 28, 2001
Antenna device and communication apparatus using the same
MURATA MANUFACTURING CO134 citations98
US5903240AMay 11, 1999
Surface mounting antenna and communication apparatus using the same antenna
MURATA MANUFACTURING CO178 citations98
US6177908B1Jan 23, 2001
Surface-mounting type antenna, antenna device, and communication device including the antenna device
MURATA MANUFACTURING CO110 citations97
US6950072B2Sep 27, 2005
Surface mount antenna, antenna device using the same, and communication device
MURATA MANUFACTURING CO64 citations96
US6600449B2Jul 29, 2003
Antenna apparatus
MURATA MANUFACTURING CO66 citations96
US6300909B1Oct 9, 2001
Antenna unit and communication device using the same
MURATA MANUFACTURING CO64 citations96
US6100849AAug 8, 2000
Surface mount antenna and communication apparatus using the same
MURATA MANUFACTURING CO84 citations96
US5898403AApr 27, 1999
Antenna formed of multiple dielectric substrates including shielded LC filter
MURATA MANUFACTURING CO103 citations96
US5867126AFeb 2, 1999
Surface-mount-type antenna and communication equipment using same
MURATA MANUFACTURING CO65 citations96
US5760746AJun 2, 1998
Surface mounting antenna and communication apparatus using the same antenna
MURATA MANUFACTURING CO86 citations96
US5696517ADec 9, 1997
Surface mounting antenna and communication apparatus using the same
MURATA MANUFACTURING CO80 citations96
US6147650ANov 14, 2000
Antenna device and radio device comprising the same
MURATA MANUFACTURING CO81 citations95
US7466277B2Dec 16, 2008
Antenna device and wireless communication apparatus
MURATA MANUFACTURING CO37 citations93
US7382319B2Jun 3, 2008
Antenna structure and communication apparatus including the same
MURATA MANUFACTURING CO40 citations93
US7375695B2May 20, 2008
Antenna and wireless communication device
MURATA MANUFACTURING CO46 citations93
US7119749B2Oct 10, 2006
Antenna and radio communication apparatus
MURATA MANUFACTURING CO48 citations93
US6784843B2Aug 31, 2004
Multi-resonance antenna
MURATA MANUFACTURING CO23 citations93
US6614401B2Sep 2, 2003
Antenna-electrode structure and communication apparatus having the same
MURATA MANUFACTURING CO48 citations93
US5748149AMay 5, 1998
Surface mounting antenna and antenna apparatus
MURATA MANUFACTURING CO41 citations93
US5073977ADec 17, 1991
High frequency broad-band mixing circuit including an electrolytic capacitor in parallel with a local oscillator input port
MURATA MANUFACTURING CO31 citations93
US4979233ADec 18, 1990
High frequency broad-band mixing circuit including an electrolytic capacitor in parallel with a local oscillator input port
MURATA MANUFACTURING CO24 citations93
US6646609B2Nov 11, 2003
Antenna with an integral RF circuit, antenna module incorporating the same, and communication apparatus incorporating the same
MURATA MANUFACTURING CO35 citations92
US6452548B2Sep 17, 2002
Surface mount antenna and communication device including the same
MURATA MANUFACTURING CO42 citations92
US6433745B1Aug 13, 2002
Surface-mounted antenna and wireless device incorporating the same
MURATA MANUFACTURING CO28 citations92
US6140968AOct 31, 2000
Surface mount type circularly polarized wave antenna and communication apparatus using the same
MURATA MANUFACTURING CO43 citations92
US5959582ASep 28, 1999
Surface mount type antenna and communication apparatus
MURATA MANUFACTURING CO40 citations92
US5581262ADec 3, 1996
Surface-mount-type antenna and mounting structure thereof
MURATA MANUFACTURING CO37 citations92
US5541616AJul 30, 1996
Surface-mountable antenna
MURATA MANUFACTURING CO21 citations92
US6803881B2Oct 12, 2004
Antenna unit and communication device including same
MURATA MANUFACTURING CO27 citations89
US10468777B2Nov 5, 2019
Luneburg lens antenna device
MURATA MANUFACTURING CO9 citations84
US6297777B1Oct 2, 2001
Surface-mounted antenna and communication apparatus using same
MURATA MANUFACTURING CO17 citations84
US6172646B1Jan 9, 2001
Antenna apparatus and communication apparatus using the antenna apparatus
MURATA MANUFACTURING CO18 citations84
US7502638B2Mar 10, 2009
Antenna device and radio communication apparatus using the same
MURATA MANUFACTURING CO13 citations83
US6396442B1May 28, 2002
Circularly polarized antenna device and radio communication apparatus using the same
MURATA MANUFACTURING CO17 citations83
US6677902B2Jan 13, 2004
Circularly polarized antenna apparatus and radio communication apparatus using the same
MURATA MANUFACTURING CO15 citations79
US6492946B2Dec 10, 2002
Surface-mounted antenna, method for adjusting and setting dual-resonance frequency thereof, and communication device including the surface-mounted type antenna
MURATA MANUFACTURING CO7 citations74
US5943019AAug 24, 1999
Method of mounting surface mounting antenna on mounting substrate antenna apparatus and communication apparatus employing mounting substrate
MURATA MANUFACTURING CO11 citations74
US5668557ASep 16, 1997
Surface-mount antenna and communication device using same
MURATA MANUFACTURING CO13 citations74
US5588198ADec 31, 1996
Method of regulating resonance frequency of surface-mountable antenna
MURATA MANUFACTURING CO14 citations74
US10777902B2Sep 15, 2020
Luneburg lens antenna device
MURATA MANUFACTURING CO2 citations73
US6437744B1Aug 20, 2002
Circularly polarized wave antenna device
MURATA MANUFACTURING CO8 citations73
ISHIZUKA KENICHI
2 patentsMURRATA MFG CO LTD
1 patentMURATA MANFACTURING CO LTD
1 patentFUJIEDA SHIGEYUKI
1 patentShowing the top 50 of 69 patents by PatentIndex Score.