Inventor

MANDAI HARUFUMI

JP81 patents

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

MURATA MANUFACTURING CO

49 patents

US6028568AFeb 22, 2000

Chip-antenna

MURATA MANUFACTURING CO291 citations99

US5892489AApr 6, 1999

Chip antenna and method of making same

MURATA MANUFACTURING CO149 citations99

US4543553ASep 24, 1985

Chip-type inductor

MURATA MANUFACTURING CO167 citations99

US6222489B1Apr 24, 2001

Antenna device

MURATA MANUFACTURING CO83 citations98

US5874926AFeb 23, 1999

Matching circuit and antenna apparatus

MURATA MANUFACTURING CO215 citations98

US5767811AJun 16, 1998

Chip antenna

MURATA MANUFACTURING CO129 citations98

US6432239B1Aug 13, 2002

Method of producing ceramic multilayer substrate

MURATA MANUFACTURING CO56 citations96

US6288680B1Sep 11, 2001

Antenna apparatus and mobile communication apparatus using the same

MURATA MANUFACTURING CO75 citations96

US6064351AMay 16, 2000

Chip antenna and a method for adjusting frequency of the same

MURATA MANUFACTURING CO54 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

US5815052ASep 29, 1998

High-frequency composite components comprising first and second circuits connected in parallel for multi-frequency systems

MURATA MANUFACTURING CO56 citations96

US5797084AAug 18, 1998

Radio communication equipment

MURATA MANUFACTURING CO74 citations96

US5726612AMar 10, 1998

Chip-type electronic component

MURATA MANUFACTURING CO58 citations96

US5585810ADec 17, 1996

Antenna unit

MURATA MANUFACTURING CO80 citations96

US5073523ADec 17, 1991

Dielectric ceramic composition

MURATA MANUFACTURING CO84 citations96

US4990202AFeb 5, 1991

Method of manufacturing an LC composite component

MURATA MANUFACTURING CO85 citations96

US4931354AJun 5, 1990

Multilayer printed circuit board

MURATA MANUFACTURING CO73 citations96

US4746557AMay 24, 1988

LC composite component

MURATA MANUFACTURING CO123 citations96

US4533931AAug 6, 1985

Reduction reoxidation type semiconductor ceramic condenser

MURATA MANUFACTURING CO74 citations96

US5107394AApr 21, 1992

Ceramic electronic part and producing method thereof

MURATA MANUFACTURING CO89 citations95

US5093986AMar 10, 1992

Method of forming bump electrodes

MURATA MANUFACTURING CO73 citations95

US4786888ANov 22, 1988

Thermistor and method of producing the same

MURATA MANUFACTURING CO53 citations95

US6052096AApr 18, 2000

Chip antenna

MURATA MANUFACTURING CO35 citations93

US5977927ANov 2, 1999

Chip antenna

MURATA MANUFACTURING CO29 citations93

US5969680AOct 19, 1999

Antenna device having a radiating portion provided between a wiring substrate and a case

MURATA MANUFACTURING CO30 citations93

US5936593AAug 10, 1999

Antenna apparatus having a spiral conductor and a coating layer

MURATA MANUFACTURING CO29 citations93

US5914691AJun 22, 1999

Antenna apparatus having magnetic-current-type and electric-field type antenna

MURATA MANUFACTURING CO24 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

US5537123AJul 16, 1996

Antennas and antenna units

MURATA MANUFACTURING CO47 citations93

US5530919AJun 25, 1996

Mobile communicator with means for attenuating transmitted output toward the user

MURATA MANUFACTURING CO35 citations93

US6815046B2Nov 9, 2004

Method of producing ceramic multilayer substrate

MURATA MANUFACTURING CO26 citations92

US6252778B1Jun 26, 2001

Complex electronic component

MURATA MANUFACTURING CO33 citations92

US6034640AMar 7, 2000

Antenna device

MURATA MANUFACTURING CO49 citations92

US5912647AJun 15, 1999

Antenna unit

MURATA MANUFACTURING CO39 citations92

US5770986AJun 23, 1998

Stripline filter with a stripline-formed parallel capacitor

MURATA MANUFACTURING CO28 citations92

US5510802AApr 23, 1996

Surface-mountable antenna unit

MURATA MANUFACTURING CO53 citations92

US5507011AApr 9, 1996

High-frequency switch including strip line and two switching diodes

MURATA MANUFACTURING CO33 citations92

US5495387AFeb 27, 1996

RC array

MURATA MANUFACTURING CO40 citations92

US5473293ADec 5, 1995

High-frequency switch

MURATA MANUFACTURING CO43 citations92

US5414402AMay 9, 1995

Multi-layer substrate

MURATA MANUFACTURING CO24 citations92

US5401910AMar 28, 1995

Electronic component

MURATA MANUFACTURING CO27 citations92

US5384434AJan 24, 1995

Multilayer ceramic circuit board

MURATA MANUFACTURING CO79 citations92

US5204301AApr 20, 1993

Non-reduction type dielectric ceramic composition

MURATA MANUFACTURING CO38 citations92

US5798737AAug 25, 1998

Chip antenna

MURATA MANUFACTURING CO27 citations91

US5187455AFeb 16, 1993

Delay line device with adjustable time delay

MURATA MANUFACTURING CO32 citations91

US5146191ASep 8, 1992

Delay line device and a method for producing the same

MURATA MANUFACTURING CO46 citations91

US4803453AFeb 7, 1989

Laminated transformer

MURATA MANUFACTURING CO48 citations91

MURANA MFG CO LTD

1 patent

US5870066AFeb 9, 1999

Chip antenna having multiple resonance frequencies

MURANA MFG CO LTD169 citations96

Showing the top 50 of 81 patents by PatentIndex Score.