Inventor
NAKATSUKA HIROSHI
JP76 patents
⚠️ This page may combine multiple inventors who share the name “NAKATSUKA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
22 patentsUS6566821B2May 20, 2003
Drive device and drive method for a cold cathode fluorescent lamp
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD174 citations99
US7259498B2Aug 21, 2007
Piezoelectric resonator, filter, and duplexer
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD60 citations98
US7230511B2Jun 12, 2007
Thin film bulk acoustic resonator, method for producing the same, filter, composite electronic component device, and communication device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD60 citations98
US7414495B2Aug 19, 2008
Coupled FBAR filter
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD44 citations93
US7301420B2Nov 27, 2007
Piezoelectric resonator filter
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations93
US7235915B2Jun 26, 2007
Acoustic resonator device, filter device, manufacturing method for acoustic resonator device, and communication apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations93
US6794796B2Sep 21, 2004
Piezoelectric transformer, piezoelectric transformer drive circuit, piezoelectric transformer drive method and cold cathode tube drive apparatus using piezoelectric transformer
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations93
US6737816B2May 18, 2004
Piezoelectric transformer, piezoelectric transformer drive circuit, piezoelectric transformer drive method and cold cathode tube drive apparatus using piezoelectric transformer
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations93
US6583534B1Jun 24, 2003
Piezoelectric transformer, piezoelectric transformer drive circuit, piezoelectric transformer drive method and cold cathode tube drive apparatus using piezoelectric transformer
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations93
US6433458B2Aug 13, 2002
Method and unit for driving piezoelectric transformer used for controlling luminance of cold-cathode tube
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations93
US6720705B2Apr 13, 2004
Method of driving a piezoelectric transformer and power source apparatus using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD35 citations92
US7224105B2May 29, 2007
Piezoelectric element, composite piezoelectric element, and filter, duplexer and communication equipment using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations84
US7113055B2Sep 26, 2006
Piezoelectric resonator, method of manufacturing piezoelectric resonator, and filter, duplexer, and communication device using piezoelectric resonator
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations84
US7034800B2Apr 25, 2006
Driving circuit and driving method for piezoelectric transformer, backlight apparatus, liquid crystal display apparatus, liquid crystal monitor, and liquid crystal TV
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations84
US6509700B2Jan 21, 2003
Apparatus and method for driving a cathode discharge tube
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations84
US7408429B2Aug 5, 2008
Coupled FBAR filter
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US7202592B2Apr 10, 2007
Piezoelectric transformer, power supply circuit and lighting unit using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
US7145281B2Dec 5, 2006
Driving circuit for piezoelectric transformer, cold-cathode tube light-emitting apparatus, liquid crystal panel and device with built-in liquid crystal panel
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations74
US7138888B2Nov 21, 2006
Filter using piezoelectric resonator
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations74
US7038354B2May 2, 2006
Driving circuit for piezoelectric transformer, cold-cathode tube light-emitting apparatus, liquid crystal panel and device with built-in liquid crystal panel
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations74
US7012578B2Mar 14, 2006
Light emission control device, backlight device, liquid crystal display apparatus, liquid crystal monitor and liquid crystal television
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations74
US6812623B2Nov 2, 2004
Piezoelectric transformer
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations74
PANASONIC CORP
9 patentsUS7675389B2Mar 9, 2010
Piezoelectric resonator, piezoelectric filter, and duplexer and communication device using the same
PANASONIC CORP45 citations93
US8710712B2Apr 29, 2014
Vibration power generator and vibration power generation device, and communication device and electronic equipment with vibration power generation device
PANASONIC CORP8 citations84
US8049581B2Nov 1, 2011
Piezoelectric filter and method for manufacturing the same
PANASONIC CORP8 citations84
US7986198B2Jul 26, 2011
Frequency-variable acoustic thin film resonator, filter and communication apparatus using the same
PANASONIC CORP17 citations84
US7893793B2Feb 22, 2011
Film bulk acoustic wave resonator and method for manufacturing the same
PANASONIC CORP16 citations84
US7623007B2Nov 24, 2009
Device including piezoelectric thin film and a support having a vertical cross-section with a curvature
PANASONIC CORP15 citations84
US7554422B2Jun 30, 2009
Filter module using piezoelectric resonators, duplexer, communication device, and method for fabricating filter module
PANASONIC CORP14 citations84
US7479847B2Jan 20, 2009
Filter using piezoelectric resonator
PANASONIC CORP17 citations84
US7701117B2Apr 20, 2010
Acoustic resonator and filter
PANASONIC CORP7 citations73
CASIO COMPUTER CO LTD
6 patentsUSD306582SMar 13, 1990
Portable television set
CASIO COMPUTER CO LTD21 citations82
USD363732SOct 31, 1995
Electronic calculator
CASIO COMPUTER CO LTD8 citations74
USD345990SApr 12, 1994
Electronic keyboard musical instrument
CASIO COMPUTER CO LTD7 citations74
USD325201SApr 7, 1992
Portable television set
CASIO COMPUTER CO LTD6 citations74
USD314958SFeb 26, 1991
Portable television set
CASIO COMPUTER CO LTD4 citations74
USD306439SMar 6, 1990
Portable television set
CASIO COMPUTER CO LTD8 citations74
MAZDA MOTOR
4 patentsUS4934737AJun 19, 1990
Power tiltable steering wheel
MAZDA MOTOR101 citations96
US5195607AMar 23, 1993
Exhaust system for automotive engine
MAZDA MOTOR91 citations94
US4932493AJun 12, 1990
Ignition switch, brake and gearshift interlocks for a vehicle automatic transmission
MAZDA MOTOR38 citations92
US5088766AFeb 18, 1992
Steering system for vehicle
MAZDA MOTOR19 citations73
NAKATSUKA HIROSHI
4 patentsUS8803401B2Aug 12, 2014
Vibration power generator, vibration power generating device, and electronic device and communication device that have the vibration power generating device installed
NAKATSUKA HIROSHI8 citations84
US8716916B2May 6, 2014
Vibration generator, vibration generation device, and electronic equipment and communication device provided with vibration generation device
NAKATSUKA HIROSHI7 citations84
US8288917B2Oct 16, 2012
Silicon oxide electret electrode with laminate insulating film surrounding short conductive film
NAKATSUKA HIROSHI10 citations84
US8933611B2Jan 13, 2015
Vibration power generator, vibration power generating device and communication device having vibration power generating device mounted thereon
NAKATSUKA HIROSHI6 citations73
YAMAKAWA TAKEHIKO
2 patentsSMC KK
1 patentNITTO DENKO CORP
1 patentMAZDA MOTOR CORRPORATION
1 patentShowing the top 50 of 76 patents by PatentIndex Score.