P

Inventor

YAMADA YASUO

JP115 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA YASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MURATA MANUFACTURING CO

20 patents
US4780062AOct 25, 1988

Piezoelectric fan

MURATA MANUFACTURING CO145 citations99
US5572175ANov 5, 1996

Coaxial dielectric resonator apparatus having a plurality of side recesses located on a mount substrate

MURATA MANUFACTURING CO45 citations96
US6522220B2Feb 18, 2003

Frequency variable filter, antenna duplexer, and communication apparatus incorporating the same

MURATA MANUFACTURING CO46 citations92
US6307448B1Oct 23, 2001

Frequency-variable-type filter, antenna duplexer, and communication apparatus

MURATA MANUFACTURING CO27 citations92
US6288620B1Sep 11, 2001

Antenna-duplexer and communication apparatus

MURATA MANUFACTURING CO22 citations92
US6087910AJul 11, 2000

Dielectric filter having stepped resonators with non-conductive gap

MURATA MANUFACTURING CO25 citations92
US5572174ANov 5, 1996

Dielectric resonator device having resonator electrodes with gaps, and method of manufacturing the same

MURATA MANUFACTURING CO23 citations92
US5760666AJun 2, 1998

Dielectric resonant component with resist film on the mount substrate

MURATA MANUFACTURING CO16 citations82
US5642084AJun 24, 1997

Dielectric filter having respective capacitance gaps flushed with the inner surface of corresponding holes

MURATA MANUFACTURING CO16 citations82
US6401328B1Jun 11, 2002

Manufacturing method of dielectric filter having a pattern electrode disposed within a dielectric body

MURATA MANUFACTURING CO6 citations74
US6353374B1Mar 5, 2002

Dielectric filter with recessed end surface

MURATA MANUFACTURING CO3 citations74
US6078230AJun 20, 2000

Characteristic adjusting method for dielectric filter using a grinding tool

MURATA MANUFACTURING CO3 citations74
US6069542AMay 30, 2000

Dielectric filter having resonator electrodes, shield electrodes, and coupling electrodes disposed within a dielectric body

MURATA MANUFACTURING CO5 citations74
US6014067AJan 11, 2000

Dielectric resonator filter having a portion of the outer surface closer to the resonators

MURATA MANUFACTURING CO7 citations74
US5949310ASep 7, 1999

Dielectric filter having a pattern electrode disposed within a dielectric body and manufacturing method thereof

MURATA MANUFACTURING CO7 citations74
US5515017AMay 7, 1996

Selectable frequency dielectric filter having a ganged relation output switch

MURATA MANUFACTURING CO15 citations74
US5202653AApr 13, 1993

Band-pass filter including resonance elements coupled by a coupling line and a by-pass coupling line

MURATA MANUFACTURING CO7 citations74
US5079528AJan 7, 1992

Dielectric filter

MURATA MANUFACTURING CO13 citations74
US12051847B2Jul 30, 2024

Dielectric resonator, dielectric filter, and multiplexer

MURATA MANUFACTURING CO6 citations73
US5764117AJun 9, 1998

Method of manufacturing a dielectric resonant apparatus

MURATA MANUFACTURING CO7 citations73

TOSHIBA KK

8 patents

YOSHIDA KOGYO KK

4 patents

SANDEN CORP

3 patents

FLYING MOLE CORP

3 patents

BAYER AG

2 patents

DAIWA SPINNING CO LTD

2 patents

HONDA MOTOR CO LTD

1 patent

NIHON TOKUSHU NOYAKU SEIZO KK

1 patent

NIPPON HARDBOARD

1 patent

MITSUBISHI CHEM IND

1 patent

HASUDA MINORU

1 patent

KAWASAKI STEEL CO

1 patent

FANUC CORP

1 patent

NAT INST OF ADVANCED IND SCIEN

1 patent

Showing the top 50 of 115 patents by PatentIndex Score.