Inventor
KANAGAWA KIYOSHI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “KANAGAWA KIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MURATA MANUFACTURING CO
15 patentsUS6236291B1May 22, 2001
Dielectric filter, duplexer, and communication device
MURATA MANUFACTURING CO28 citations92
US6184758B1Feb 6, 2001
Dielectric resonator formed by polygonal openings in a dielectric substrate, and a filter, duplexer, and communication apparatus using same
MURATA MANUFACTURING CO17 citations84
US6923373B2Aug 2, 2005
Device with memory card insertion/removing mechanism
MURATA MANUFACTURING CO10 citations73
US6249195B1Jun 19, 2001
Dielectric filter, dielectric duplexer, and transceiver having circular and polygonal electrode openings
MURATA MANUFACTURING CO10 citations73
US6232854B1May 15, 2001
Dielectric resonator device, dielectric filter, oscillator, sharing device, and electronic apparatus
MURATA MANUFACTURING CO11 citations73
US6104261AAug 15, 2000
Dielectric resonator having a resonance region and a cavity adjacent to the resonance region, and a dielectric filter, duplexer and communication device utilizing the dielectric resonator
MURATA MANUFACTURING CO11 citations73
US6057745AMay 2, 2000
Dielectric filter, transmitting/receiving duplexer, and communication apparatus having depressed parallel plate mode below a resonant frequency
MURATA MANUFACTURING CO9 citations73
US6809615B2Oct 26, 2004
Band-pass filter and communication apparatus
MURATA MANUFACTURING CO4 citations63
US7435127B2Oct 14, 2008
Card-type apparatus
MURATA MANUFACTURING CO3 citations62
US6538526B2Mar 25, 2003
Transmission line connection structure, high frequency module, and communication device
MURATA MANUFACTURING CO6 citations62
US6531934B1Mar 11, 2003
Dielectric resonator, dielectric filter, dielectric duplexer, oscillator, and communication device
MURATA MANUFACTURING CO3 citations62
US6445263B1Sep 3, 2002
Dielectric resonator, dielectric filter, duplexer, and communication device
MURATA MANUFACTURING CO3 citations62
US7407112B2Aug 5, 2008
Card apparatus and method of producing the same
MURATA MANUFACTURING CO5 citations58
US7385559B2Jun 10, 2008
Antenna feed structure
MURATA MANUFACTURING CO0 citations41
US6512429B2Jan 28, 2003
Dielectric filter, transmission/reception sharing device, and communication device
MURATA MANUFACTURING CO0 citations41