Inventor
NAKAKUBO HIDEAKI
JP30 patents
⚠️ This page may combine multiple inventors who share the name “NAKAKUBO HIDEAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
27 patentsUS5719539AFeb 17, 1998
Dielectric filter with multiple resonators
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD110 citations99
US6222431B1Apr 24, 2001
Balanced dielectric filter
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD62 citations96
US6020799AFeb 1, 2000
Laminated dielectric antenna duplexer and a dielectric filter
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD59 citations96
US5594394AJan 14, 1997
Antenna diversity switching device with switching circuits between the receiver terminal and each antenna
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD56 citations94
US5654681AAug 5, 1997
Laminated dielectric resonator and dielectric filter
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD34 citations93
US5479141ADec 26, 1995
Laminated dielectric resonator and dielectric filter
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations93
US6847829B2Jan 25, 2005
Multiband high-frequency switch
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations92
US6696903B1Feb 24, 2004
Laminated dielectric filter, and antenna duplexer and communication equipment using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40 citations92
US6608534B2Aug 19, 2003
Matching circuit chip, filter with matching circuit, duplexer and cellular phone
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations92
US6140891AOct 31, 2000
Dielectric laminated filter
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations92
US5442812AAug 15, 1995
Antenna switching apparatus for selectively connecting antenna to transmitter or receiver
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD39 citations92
US6788164B2Sep 7, 2004
Complex high frequency components
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD29 citations91
US7027777B2Apr 11, 2006
High frequency switch and high frequency radio communication apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations84
US7123884B2Oct 17, 2006
RF switch
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations83
US6020798AFeb 1, 2000
Dielectric laminated device and its manufacturing method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations82
US6941650B2Sep 13, 2005
Method for manufacturing dielectric laminated device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations74
US6608533B2Aug 19, 2003
Matching circuit chip, filter with matching circuit, duplexer and cellular phone
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations74
US6346866B2Feb 12, 2002
Dielectric laminated device and its manufacturing method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations74
US6326863B1Dec 4, 2001
Matching circuit chip, filter with matching circuit, duplexer and cellular phone
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US6310525B1Oct 30, 2001
Dielectric laminated device and its manufacturing method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations74
US5196813AMar 23, 1993
Dielectric filter having a single multilayer substrate
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations74
US6529096B2Mar 4, 2003
Dielectric filter, antenna duplexer, and communications appliance
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations73
US6510607B1Jan 28, 2003
Method for forming a dielectric laminated device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations63
US5644275AJul 1, 1997
Laminated dielectric resonator and dielectric filter
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations63
US7116188B2Oct 3, 2006
Laminated dielectric filter, and antenna duplexer and communication equipment using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations62
US6765460B2Jul 20, 2004
Dielectric laminated device including a buried electric conductive member to form a strip line and its method of manufacture
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations52
US6747528B2Jun 8, 2004
Dielectric filter, antenna duplexer, and communications appliance
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations51