Assignee
TOKIN CORP
JP144 patents
Top patents by PatentIndex Score
US6532824B1Mar 18, 2003
Capacitive strain sensor and method for using the same
TOKIN CORP123 citations98
US5069226ADec 3, 1991
Catheter guidewire with pseudo elastic shape memory alloy
TOKIN CORP527 citations98
US6377145B1Apr 23, 2002
Vibration actuator having magnetic circuit elastically supported by a spiral damper with increased compliance
TOKIN CORP80 citations97
US5864088AJan 26, 1999
Electronic device having the electromagnetic interference suppressing body
TOKIN CORP151 citations96
US4846724AJul 11, 1989
Shielded cable assembly comprising means capable of effectively reducing undesirable radiation of a signal transmitted through the assembly
TOKIN CORP132 citations96
US6538414B1Mar 25, 2003
Electric energy storage device with cell energy control, and method of controlling cell energy
TOKIN CORP123 citations95
US6388548B1May 14, 2002
Non-contact transformer and vehicular signal relay apparatus using it
TOKIN CORP72 citations95
US4894100AJan 16, 1990
Ti-Ni-V shape memory alloy
TOKIN CORP54 citations94
US6392297B2May 21, 2002
Electronic circuit element of conductor/insulator stacked type using high machinability substrate and benzocyclobutene as insulator
TOKIN CORP18 citations92
US6362434B1Mar 26, 2002
Magnetic prepreg, its manufacturing method and printed wiring board employing the prepreg
TOKIN CORP21 citations92
US6118221ASep 12, 2000
Cold-cathode tube lighting circuit with protection circuit for piezoelectric transformer
TOKIN CORP37 citations92
US6069475AMay 30, 2000
Magnetic sensor utilizing impedance variation of a soft magnetic element in dependence upon a magnetic field strength and a method of manufacturing the same
TOKIN CORP20 citations92
US5827445AOct 27, 1998
Composite magnetic article for electromagnetic interference suppressor
TOKIN CORP50 citations92
US5315205AMay 24, 1994
Piezoelectric vibrator capable of reliably preventing dielectric breakdown and a method of manufacturing the same
TOKIN CORP25 citations92
US6762658B1Jul 13, 2004
Dielectric resonator and dielectric filter
TOKIN CORP31 citations91
US5850140ADec 15, 1998
Electric field sensor having sensor head with unbalanced electric field shield to shield branched optical waveguides against an applied electric field
TOKIN CORP18 citations91
US5781003AJul 14, 1998
Electric field sensor
TOKIN CORP51 citations91
US5607756AMar 4, 1997
Method of correction of the foot, splint for use in practicing the method, and footwear with the splint
TOKIN CORP36 citations91
US6448491B1Sep 10, 2002
Electromagnetic interference suppressing body having low electromagnetic transparency and reflection, and electronic device having the same
TOKIN CORP27 citations90
US5854543ADec 29, 1998
Inverter circuit for lighting a cold cathode tube by the use of a piezoelectric transformer
TOKIN CORP39 citations90
US5488677AJan 30, 1996
Electric field sensor
TOKIN CORP41 citations90
US4898625AFeb 6, 1990
Method for producing a rare earth metal-iron-boron permanent magnet by use of a rapidly-quenched alloy powder
TOKIN CORP24 citations90
US6712989B1Mar 30, 2004
Composite magnetic body and electromagnetic interference suppressing body using the same
TOKIN CORP18 citations89
US6163300ADec 19, 2000
Multi-band antenna suitable for use in a mobile radio device
TOKIN CORP38 citations89
US6051915AApr 18, 2000
Piezoelectric transformer
TOKIN CORP25 citations89
US5687018ANov 11, 1997
Receiving system with signal transmitting systems for transmitting an input signal as a modulated beam with an adjusted beam intensity
TOKIN CORP22 citations89
US5574805ANov 12, 1996
Electric field sensor
TOKIN CORP39 citations89
US5336960AAug 9, 1994
Gyroscope using circular rod type piezoelectric vibrator
TOKIN CORP27 citations89
US4931798AJun 5, 1990
Electromagnetic anechoic chamber with an inner electromagnetic wave reflection surface and an electromagnetic wave absorption small ball disposed in the chamber
TOKIN CORP76 citations89
US5837884ANov 17, 1998
Humidity sensor using temperature sensing resistor controlled to be at constant temperature of more than 150° C.
TOKIN CORP21 citations88
US5815610ASep 29, 1998
Optical modulation system
TOKIN CORP18 citations88
US5326945AJul 5, 1994
Shock sensor
TOKIN CORP26 citations88
US6181130B1Jan 30, 2001
Magnetic sensor having excitation coil including thin-film linear conductor sections formed on bobbin with detection coil wound thereon
TOKIN CORP46 citations87
US5670870ASep 23, 1997
Electric field sensor capable of reliably measuring an electric field intensity of a signal
TOKIN CORP24 citations87
US5614805AMar 25, 1997
Method and apparatus for charging a secondary battery by supplying pulsed current as charging current
TOKIN CORP38 citations86
US5428477AJun 27, 1995
Optical isolator operating independent of polarization of an incident beam
TOKIN CORP24 citations85
US9761377B2Sep 12, 2017
Solid electrolytic capacitor
TOKIN CORP11 citations84
US9850562B2Dec 26, 2017
Fe-based nano-crystalline alloy
TOKIN CORP8 citations83
US5898346AApr 27, 1999
Dual-band nonreversible circuit device comprising two nonreversible circuit elements contained in a single housing to be operable in different frequency bands
TOKIN CORP18 citations83
US5998909ADec 7, 1999
Piezoelectric transformer
TOKIN CORP18 citations82
US6278227B1Aug 21, 2001
Piezoelectric transformer
TOKIN CORP15 citations81
US5777425AJul 7, 1998
Voltage converter for use with a piezoelectric transformer
TOKIN CORP18 citations81
US6384799B1May 7, 2002
Antenna having a helical antenna element extending along a cylindrical flexible substrate
TOKIN CORP17 citations80
USD906965SJan 5, 2021
Inductor
TOKIN CORP8 citations78
US6416830B2Jul 9, 2002
Composite magnetic tube and method of producing the same, and electromagnetic interference suppressing tube
TOKIN CORP13 citations74
US6376912B1Apr 23, 2002
Common mode choke coil of the conductor/insulator stacked type that uses a high machinability substrate and benzocyclobutene as the insulator
TOKIN CORP7 citations74
US6051156AApr 18, 2000
Compound magnetic material and electromagnetic interference suppressor
TOKIN CORP7 citations74
US6011887AJan 4, 2000
Optical fiber cable
TOKIN CORP13 citations74
US4983029AJan 8, 1991
Eyeglass frame having Ti-Ni-V alloy element with improved wear comfortability
TOKIN CORP16 citations74
US10658120B2May 19, 2020
Solid electrolytic capacitor
TOKIN CORP2 citations73
Showing the top 50 of 144 patents by PatentIndex Score.