P

Inventor

TADA HITOSHI

JP71 patents
⚠️ This page may combine multiple inventors who share the name “TADA HITOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MURATA MANUFACTURING CO

34 patents
US6556101B1Apr 29, 2003

Dielectric resonator, dielectric filter, dielectric duplexer, and communication device

MURATA MANUFACTURING CO108 citations98
US5572175ANov 5, 1996

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

MURATA MANUFACTURING CO45 citations96
US5537082AJul 16, 1996

Dielectric resonator apparatus including means for adjusting the degree of coupling

MURATA MANUFACTURING CO61 citations96
US6054910AApr 25, 2000

Dielectric filter having an inner conductor with two open-circuited inner ends

MURATA MANUFACTURING CO85 citations95
US6359529B1Mar 19, 2002

Filtering device comprising filters, each having a resonance line, a coupling element coupled to said resonance line, and a switch for short-circuiting said resonance line

MURATA MANUFACTURING CO21 citations93
US6157274ADec 5, 2000

Band elimination filter and duplexer

MURATA MANUFACTURING CO19 citations93
US5686873ANov 11, 1997

Antenna duplexer having transmit and receive portion formed in a single dielectric block

MURATA MANUFACTURING CO21 citations93
US5986521ANov 16, 1999

Multi-passband filter

MURATA MANUFACTURING CO22 citations92
US5525946AJun 11, 1996

Dielectric resonator apparatus comprising a plurality of one-half wavelength dielectric coaxial resonators having open-circuit gaps at ends thereof

MURATA MANUFACTURING CO38 citations92
US5867076AFeb 2, 1999

Dielectric resonator and dielectric resonant component having stepped portion and non-conductive inner portion

MURATA MANUFACTURING CO18 citations84
US5793267AAug 11, 1998

Dielectric block filter having first and second resonator arrays coupled together

MURATA MANUFACTURING CO19 citations84
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
US12368221B2Jul 22, 2025

Dielectric filter

MURATA MANUFACTURING CO2 citations75
US6765457B2Jul 20, 2004

Dielectric filter, dielectric duplexer, and communication device having elongated through holes

MURATA MANUFACTURING CO10 citations74
US6507250B1Jan 14, 2003

Dielectric filter, dielectric duplexer, and communication equipment

MURATA MANUFACTURING CO8 citations74
US6353374B1Mar 5, 2002

Dielectric filter with recessed end surface

MURATA MANUFACTURING CO3 citations74
US6177852B1Jan 23, 2001

Dielectric filter, dielectric duplexer, and transceiver

MURATA MANUFACTURING CO12 citations74
US6078230AJun 20, 2000

Characteristic adjusting method for dielectric filter using a grinding tool

MURATA MANUFACTURING CO3 citations74
US6014067AJan 11, 2000

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

MURATA MANUFACTURING CO7 citations74
US6008707ADec 28, 1999

Antenna duplexer

MURATA MANUFACTURING CO14 citations74
US5815056ASep 29, 1998

Dielectric resonator having an elongated non-conductive resonator gaps and manufacturing method thereof

MURATA MANUFACTURING CO9 citations74
US5712604AJan 27, 1998

Dielectric filter including at least one band elimination filter

MURATA MANUFACTURING CO15 citations74
US5696473ADec 9, 1997

Dielectric filter having a non-right angle stepped end surface

MURATA MANUFACTURING CO13 citations74
US5652555AJul 29, 1997

Dielectrical filters having resonators at a trap frequency where the even/odd mode impedances are both zero

MURATA MANUFACTURING CO9 citations74
US5629656AMay 13, 1997

Dielectric resonator apparatus comprising connection conductors extending between resonators and external surfaces

MURATA MANUFACTURING CO16 citations74
US5612654AMar 18, 1997

Dielectric filter having stepped resonator holes with offset hole portions

MURATA MANUFACTURING CO13 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
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
US12027742B2Jul 2, 2024

Distributed constant filter, distributed constant line resonator, and multiplexer

MURATA MANUFACTURING CO2 citations72
US6940364B2Sep 6, 2005

Dielectric filter, dielectric duplexer, and communication apparatus

MURATA MANUFACTURING CO2 citations63
US6466109B1Oct 15, 2002

Dielectric filter having non-conductive adjusting regions

MURATA MANUFACTURING CO1 citations63
US6411177B1Jun 25, 2002

Dielectric filter, dielectric duplexer, and communication apparatus

MURATA MANUFACTURING CO3 citations63

MITSUBISHI ELECTRIC CORP

15 patents
US5684902ANov 4, 1997

Semiconductor laser module

MITSUBISHI ELECTRIC CORP59 citations96
US6778751B2Aug 17, 2004

Optical modulator and photonic semiconductor device

MITSUBISHI ELECTRIC CORP28 citations93
US6226310B1May 1, 2001

Semiconductor optical device

MITSUBISHI ELECTRIC CORP23 citations93
US5757835AMay 26, 1998

Semiconductor laser device

MITSUBISHI ELECTRIC CORP21 citations93
US5668822ASep 16, 1997

Integrated semiconductor laser device

MITSUBISHI ELECTRIC CORP48 citations93
US5418799AMay 23, 1995

Semiconductor laser element structure

MITSUBISHI ELECTRIC CORP30 citations93
US6455338B1Sep 24, 2002

Method of manufacturing an integrated semiconductor laser-modulator device

MITSUBISHI ELECTRIC CORP39 citations92
US6384955B2May 7, 2002

Light modulator

MITSUBISHI ELECTRIC CORP33 citations92
US5426658AJun 20, 1995

Semiconductor laser including ridge confining buffer layer

MITSUBISHI ELECTRIC CORP27 citations92
US5316967AMay 31, 1994

Method for producing semiconductor device

MITSUBISHI ELECTRIC CORP24 citations92
US5585309ADec 17, 1996

Method of making semiconductor laser

MITSUBISHI ELECTRIC CORP21 citations90
US5390205AFeb 14, 1995

Semiconductor laser

MITSUBISHI ELECTRIC CORP33 citations90
US6798552B2Sep 28, 2004

Semiconductor light modulator

MITSUBISHI ELECTRIC CORP12 citations74
US5786234AJul 28, 1998

Method of fabricating semiconductor laser

MITSUBISHI ELECTRIC CORP16 citations74
US7390683B2Jun 24, 2008

Method of manufacturing a semiconductor device including a slab layer with a periodic air hole structure and a linear defect region

MITSUBISHI ELECTRIC CORP4 citations63

UNIV KYOTO

1 patent

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