Assignee
TDK CORP
JP5,000+ patents
Top patents by PatentIndex Score
US7199680B2Apr 3, 2007
RF module using mode converting structure having short-circuiting waveguides and connecting windows
TDK CORP195 citations99
US6387712B1May 14, 2002
Process for preparing ferroelectric thin films
TDK CORP163 citations99
US6369495B2Apr 9, 2002
Organic electroluminescence display device and producing method thereof
TDK CORP98 citations99
US6292351B1Sep 18, 2001
Multilayer ceramic capacitor for three-dimensional mounting
TDK CORP186 citations99
US6160272ADec 12, 2000
Self-light-emitting apparatus and semiconductor device used in the apparatus
TDK CORP185 citations99
US6045626AApr 4, 2000
Substrate structures for electronic devices
TDK CORP363 citations99
US6037712AMar 14, 2000
Organic electroluminescence display device and producing method thereof
TDK CORP292 citations99
US5985404ANov 16, 1999
Recording medium, method of making, and information processing apparatus
TDK CORP150 citations99
US5969474AOct 19, 1999
Organic light-emitting device with light transmissive anode and light transmissive cathode including zinc-doped indium oxide
TDK CORP222 citations99
US5923544AJul 13, 1999
Noncontact power transmitting apparatus
TDK CORP320 citations99
US5897328AApr 27, 1999
Thin film transistor, organic electroluminescence display device and manufacturing method of the same
TDK CORP136 citations99
US5828080AOct 27, 1998
Oxide thin film, electronic device substrate and electronic device
TDK CORP229 citations99
US5810923ASep 22, 1998
Method for forming oxide thin film and the treatment of silicon substrate
TDK CORP220 citations99
US5801105ASep 1, 1998
Multilayer thin film, substrate for electronic device, electronic device, and preparation of multilayer oxide thin film
TDK CORP233 citations99
US5792557AAug 11, 1998
Organic EL element
TDK CORP196 citations99
US5640067AJun 17, 1997
Thin film transistor, organic electroluminescence display device and manufacturing method of the same
TDK CORP296 citations99
US5635308AJun 3, 1997
Phenylanthracene derivative and organic EL element
TDK CORP229 citations99
US5176856AJan 5, 1993
Ultrasonic wave nebulizer
TDK CORP179 citations99
US8027110B1Sep 27, 2011
Apparatus for measuring magnetic field of microwave-assisted head
TDK CORP63 citations98
US7978442B2Jul 12, 2011
CPP device with a plurality of metal oxide templates in a confining current path (CCP) spacer
TDK CORP51 citations98
US7911882B2Mar 22, 2011
Thin-film magnetic head with near-field-light-generating layer
TDK CORP61 citations98
US7656167B1Feb 2, 2010
Electric field generator incorporating a slow-wave structure
TDK CORP231 citations98
US7538978B2May 26, 2009
Heat assisted magnetic recording head and heat assisted magnetic recording apparatus for heating a recording region in a magnetic recording medium during magnetic recording
TDK CORP84 citations98
US7495867B2Feb 24, 2009
Composite free layer for stabilizing magnetoresistive head
TDK CORP55 citations98
US7445688B2Nov 4, 2008
Method and apparatus for picking up work piece and mounting machine
TDK CORP64 citations98
US7248045B2Jul 24, 2007
Magnetic sensing device, method of forming the same, magnetic sensor, and ammeter
TDK CORP69 citations98
US7166347B2Jan 23, 2007
Optical information recording medium
TDK CORP62 citations98
US7095090B2Aug 22, 2006
Photoelectric conversion device
TDK CORP65 citations98
US7050288B2May 23, 2006
Laminated ceramic capacitor
TDK CORP65 citations98
US7012425B2Mar 14, 2006
Eddy-current probe
TDK CORP116 citations98
US6965556B1Nov 15, 2005
Optical information medium having high resolution beyond a diffraction limit and reading method
TDK CORP68 citations98
US6888728B2May 3, 2005
Switching power supply unit
TDK CORP208 citations98
US6879293B2Apr 12, 2005
Antenna device and electric appliance using the same
TDK CORP107 citations98
US6768630B2Jul 27, 2004
Multilayer feedthrough capacitor
TDK CORP108 citations98
US6765781B2Jul 20, 2004
Multilayer capacitor
TDK CORP76 citations98
US6713162B2Mar 30, 2004
Electronic parts
TDK CORP151 citations98
US6700749B2Mar 2, 2004
Precise positioning actuator for head element, head gimbal assembly with the actuator, disk drive apparatus with the head gimbal assembly, manufacturing method of actuator and manufacturing method of head gimbal assembly
TDK CORP95 citations98
US6563681B1May 13, 2003
Magnetoresistance effect film and magnetoresistance effect type head
TDK CORP124 citations98
US6501014B1Dec 31, 2002
Coated article and solar battery module
TDK CORP82 citations98
US6445126B1Sep 3, 2002
Organic electroluminescent device
TDK CORP92 citations98
US6407906B1Jun 18, 2002
Multiterminal-multilayer ceramic capacitor
TDK CORP80 citations98
US6399222B2Jun 4, 2002
Organic electroluminescent device
TDK CORP86 citations98
US6381107B1Apr 30, 2002
Magneto-resistive tunnel junction head having a shield lead rear flux guide
TDK CORP123 citations98
US6373366B1Apr 16, 2002
Common mode filter
TDK CORP92 citations98
US6329715B1Dec 11, 2001
Passive electronic parts, IC parts, and wafer
TDK CORP90 citations98
US6320311B2Nov 20, 2001
Organic EL device having a hole injecting electrode including a transparent electrode and a metal electrode
TDK CORP97 citations98
US6294274B1Sep 25, 2001
Oxide thin film
TDK CORP4,228 citations98
US6288487B1Sep 11, 2001
Organic electroluminescent device with a high-resistance inorganic electron injecting and transporting layer
TDK CORP89 citations98
US6285039B1Sep 4, 2001
Organic electroluminescent device
TDK CORP150 citations98
US6284342B1Sep 4, 2001
Organic EL display assembly
TDK CORP150 citations98
Showing the top 50 of 5,000+ patents by PatentIndex Score.