Inventor
KANBA SEIJI
JP40 patents
⚠️ This page may combine multiple inventors who share the name “KANBA SEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MURATA MANUFACTURING CO
39 patentsUS5892489AApr 6, 1999
Chip antenna and method of making same
MURATA MANUFACTURING CO149 citations99
US6271803B1Aug 7, 2001
Chip antenna and radio equipment including the same
MURATA MANUFACTURING CO301 citations98
US6222489B1Apr 24, 2001
Antenna device
MURATA MANUFACTURING CO83 citations98
US5973651AOct 26, 1999
Chip antenna and antenna device
MURATA MANUFACTURING CO144 citations98
US6111544AAug 29, 2000
Chip antenna, antenna device, and mobile communication apparatus
MURATA MANUFACTURING CO104 citations97
US6288680B1Sep 11, 2001
Antenna apparatus and mobile communication apparatus using the same
MURATA MANUFACTURING CO75 citations96
US5892490AApr 6, 1999
Meander line antenna
MURATA MANUFACTURING CO82 citations96
US5870065AFeb 9, 1999
Chip antenna having dielectric and magnetic material portions
MURATA MANUFACTURING CO54 citations96
US6075491AJun 13, 2000
Chip antenna and mobile communication apparatus using same
MURATA MANUFACTURING CO64 citations95
US6052096AApr 18, 2000
Chip antenna
MURATA MANUFACTURING CO35 citations93
US5977927ANov 2, 1999
Chip antenna
MURATA MANUFACTURING CO29 citations93
US5936593AAug 10, 1999
Antenna apparatus having a spiral conductor and a coating layer
MURATA MANUFACTURING CO29 citations93
US5903242AMay 11, 1999
Helical antenna and method of making same
MURATA MANUFACTURING CO25 citations93
US5898413AApr 27, 1999
Surface mount antenna
MURATA MANUFACTURING CO29 citations93
US5294477AMar 15, 1994
Functionally gradient circuit board
MURATA MANUFACTURING CO21 citations93
US7268648B2Sep 11, 2007
Dual mode band-pass filter
MURATA MANUFACTURING CO12 citations92
US6771148B2Aug 3, 2004
Dual mode band-pass filter
MURATA MANUFACTURING CO17 citations92
US6720848B2Apr 13, 2004
Dual mode band-pass filter having coupled modes
MURATA MANUFACTURING CO19 citations92
US6812813B2Nov 2, 2004
Method for adjusting frequency of attenuation pole of dual-mode band pass filter
MURATA MANUFACTURING CO13 citations84
US6563403B2May 13, 2003
Dual mode band-pass filter
MURATA MANUFACTURING CO14 citations84
US6442399B1Aug 27, 2002
Mobile communication apparatus
MURATA MANUFACTURING CO18 citations84
US5999146ADec 7, 1999
Antenna device
MURATA MANUFACTURING CO19 citations84
US5949385ASep 7, 1999
Antenna integral with printed circuit board
MURATA MANUFACTURING CO18 citations84
US7119639B2Oct 10, 2006
Dual mode band-pass filter
MURATA MANUFACTURING CO10 citations82
US7239221B2Jul 3, 2007
Dual mode band-pass filter
MURATA MANUFACTURING CO9 citations74
US7098760B2Aug 29, 2006
Dual mode band-pass filter
MURATA MANUFACTURING CO9 citations74
US6977564B2Dec 20, 2005
Bandpass filter
MURATA MANUFACTURING CO7 citations74
US6556109B2Apr 29, 2003
Dual mode band pass filter
MURATA MANUFACTURING CO9 citations74
US5933116AAug 3, 1999
Chip antenna
MURATA MANUFACTURING CO14 citations74
US5861852AJan 19, 1999
Chip antenna
MURATA MANUFACTURING CO9 citations74
US5767817AJun 16, 1998
Antenna apparatus having chip antenna and capacitance generating device
MURATA MANUFACTURING CO11 citations74
US5764198AJun 9, 1998
Chip antenna
MURATA MANUFACTURING CO14 citations74
US5948718ASep 7, 1999
Dielectric ceramic polarizer
MURATA MANUFACTURING CO7 citations72
US6031731AFeb 29, 2000
Mobile communication apparatus having a selecting plate mounted on circuit board
MURATA MANUFACTURING CO12 citations70
US6727783B2Apr 27, 2004
Method of producing band-pass filter and band-pass filter
MURATA MANUFACTURING CO1 citations63
US6608537B2Aug 19, 2003
Band-pass filter
MURATA MANUFACTURING CO4 citations63
US6556108B2Apr 29, 2003
Method of producing band-pass filter and band-pass filter
MURATA MANUFACTURING CO1 citations63
US5631624AMay 20, 1997
Dielectric ceramics and electronic parts using the same
MURATA MANUFACTURING CO2 citations61
US6580342B2Jun 17, 2003
Method of producing band-pass filter and band-pass filter
MURATA MANUFACTURING CO0 citations52