Inventor · disambiguated record
Kazuya Iwata
Also filed as: IWATA KAZUYA
53 granted patents·7 pending applications·830 citations·filing 1990–2025
98Inventor score
Files withCANON KK22IWATA KAZUYA7MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7NGK SPARK PLUG CO5PANASONIC CORP5
Top patents by PatentIndex Score
60 records- 0198US6229253B1Spark plug with specific gap between insulator and electrodesNGK SPARK PLUG CO·Filed 1999·Granted May 8, 2001·105 cites·14 claims
- 0294US8220432B2Internal combustion engine pistonIWATA KAZUYA·Filed 2010·Granted Jul 17, 2012·11 cites·5 claims
- 0388US7039781B2Flash memory apparatus and method for merging stored data itemsMATSUSHTIA ELECTRIC IND CO LTD·Filed 2002·Granted May 2, 2006·63 cites·8 claims
- 0487US6829360B1Method and apparatus for expanding band of audio signalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Dec 7, 2004·70 cites·18 claims
- 0587US5245362AInk jet recording apparatus with discharge recovery apparatus having varying driving forceCANON KK·Filed 1991·Granted Sep 14, 1993·47 cites·25 claims
- 0682US6520700B1Recording apparatusCANON KK·Filed 2000·Granted Feb 18, 2003·23 cites·24 claims
- 0782US5347193ASpark plug having an erosion resistant tipNGK SPARK PLUG CO·Filed 1992·Granted Sep 13, 1994·61 cites·4 claims
- 0876US6879528B2Control method of nonvolatile memoryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Apr 12, 2005·24 cites·6 claims
- 0974US8701619B2Internal combustion engine pistonIWATA KAZUYA·Filed 2012·Granted Apr 22, 2014·2 cites·15 claims
- 1074US5638098ADocument processing apparatus for controlling fixation of recorded inkCANON KK·Filed 1994·Granted Jun 10, 1997·30 cites·46 claims
- 1173US5164748ASuction recovery device with a cap having a communicating member to aid suctionCANON KK·Filed 1991·Granted Nov 17, 1992·26 cites·56 claims
- 1272US6703770B2Spark plug attachment structure and spark plug thereforFiled 2002·Granted Mar 9, 2004·13 cites·19 claims
- 1371US7774508B2Electronic apparatus, control method thereof, host device, and control method thereofPANASONIC CORP·Filed 2004·Granted Aug 10, 2010·16 cites·16 claims
- 1470US5406317AInk jet recording with coordinated capping and recovery ejection operationsCANON KK·Filed 1992·Granted Apr 11, 1995·23 cites·28 claims
- 1567US6062670AInk jet recording apparatus having discharge recovery meansCANON KK·Filed 1994·Granted May 16, 2000·22 cites·8 claims
- 1666US8145478B2Apparatus and method for widening audio signal bandIWATA KAZUYA·Filed 2006·Granted Mar 27, 2012·4 cites·10 claims
- 1766US5873338ASpark plug for an internal combustion engineNGK SPARK PLUG CO·Filed 1997·Granted Feb 23, 1999·22 cites·9 claims
- 1865US5320569AMethod of making a spark plugNGK SPARK PLUG CO·Filed 1993·Granted Jun 14, 1994·28 cites·6 claims
- 1964US7403139B2Electronic apparatus and control method thereof using sample rate converterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jul 22, 2008·6 cites·8 claims
- 2064US7356150B2Method and apparatus for extending band of audio signal using noise signal generatorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Apr 8, 2008·11 cites·22 claims
- 2163US5880852AReading unit and recording apparatus on which the reading unit is mountableCANON KK·Filed 1997·Granted Mar 9, 1999·25 cites·23 claims
- 2263US2023384247A1X-ray inspection apparatus and method of inspection with x-raysHITACHI HIGH TECH SCIENCE CORP·Filed 2023·Application pending·0 cites
- 2362US10389324B2Audio reproduction devicePANASONIC IP MAN CO LTD·Filed 2016·Granted Aug 20, 2019·1 cites·6 claims
- 2462US5816723AElectronic apparatus capable of feeding sheets from a front side, and sheet feeding device for use therewithCANON KK·Filed 1997·Granted Oct 6, 1998·19 cites·25 claims
- 2561US7058741B2System for suspending processing by a first electronic device on a data line to allow a second electronic device to use the data line, with subsequent resumption of the processing of the first electronic deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jun 6, 2006·8 cites·9 claims
- 2660US5170186AInk jet recording apparatus with dry absorption control of recording head capCANON KK·Filed 1991·Granted Dec 8, 1992·14 cites·26 claims
- 2759US7577259B2Method and apparatus for extending band of audio signal using higher harmonic wave generatorPANASONIC CORP·Filed 2004·Granted Aug 18, 2009·7 cites·23 claims
- 2858US6550888B2Recovery of ink jet recording apparatus using controlled suction of inkCANON KK·Filed 2001·Granted Apr 22, 2003·5 cites·84 claims
- 2958US5764253AInk jet recording apparatus provided with means for calculating waste ink amount, and information processing system provided with such an ink jet recording apparatusCANON KK·Filed 1996·Granted Jun 9, 1998·17 cites·30 claims
- 3057US11733612B2Substrate processing apparatus and method of processing substrateTOKYO ELECTRON LTD·Filed 2022·Granted Aug 22, 2023·0 cites·9 claims
- 3156US7610427B2Functional module card for transferring digital broadcasting signal using a clock generated based on a synchronous signal extracted from a received data signalPANASONIC CORP·Filed 2004·Granted Oct 27, 2009·4 cites·22 claims
- 3255US11845608B2Suspension type transport vehicle and storage systemMURATA MACHINERY LTD·Filed 2020·Granted Dec 19, 2023·0 cites·10 claims
- 3355US8848952B2Audio reproduction apparatusIWATA KAZUYA·Filed 2010·Granted Sep 30, 2014·1 cites·19 claims
- 3455US6617706B2Ignition systemNGK SPARK PLUG CO·Filed 1999·Granted Sep 9, 2003·13 cites·12 claims
- 3555US2022335855A1Pre-driving test deviceTOYOTA MOTOR CO LTD·Filed 2022·Application pending·0 cites
- 3655US2025296410A1Glass runTOYODA GOSEI KK·Filed 2025·Application pending·0 cites
- 3754US5818471ARecording apparatus and method for indicating decrease of ink remainsCANON KK·Filed 1995·Granted Oct 6, 1998·14 cites·13 claims
- 3854US5214447ASuction recovery device and ink jet recording apparatus with the deviceCANON KK·Filed 1990·Granted May 25, 1993·10 cites·14 claims
- 3953US7421527B2Transmission apparatus and transmission methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Sep 2, 2008·3 cites·6 claims
- 4053US5481282ASuction recovery device and ink jet recording apparatus with the deviceCANON KK·Filed 1994·Granted Jan 2, 1996·9 cites·30 claims
- 4152US2022351299A1Information processing apparatus, method, and non-transitory computer readable mediumTOYOTA MOTOR CO LTD·Filed 2022·Application pending·0 cites
- 4251US5997120ARecording apparatus which allows ink amount detection upon exchange of a printheadCANON KK·Filed 1995·Granted Dec 7, 1999·12 cites·23 claims
- 4351US5992961AInk jet recording apparatus, method for determining reduced ink remains, and information processing apparatusCANON KK·Filed 1995·Granted Nov 30, 1999·12 cites·20 claims
- 4450US8428917B2Signal processing device and signal processing methodIWATA KAZUYA·Filed 2007·Granted Apr 23, 2013·0 cites·14 claims
- 4550US7436898B2Integrated circuit (IC) card, data transmission apparatus, data transmission method and computer program of data transmission methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Oct 14, 2008·2 cites·18 claims
- 4649US2009113592A1Shock absorber for sportsIWATA KAZUYA·Filed 2006·Application pending·0 cites
- 4749US2023009748A1Control device, operation management system, and operation management methodTOYOTA MOTOR CO LTD·Filed 2022·Application pending·0 cites
- 4848US8346542B2Apparatus and method for widening audio signal bandPANASONIC CORP·Filed 2012·Granted Jan 1, 2013·0 cites·3 claims
- 4948US2022351224A1Information processing device, method, and programTOYOTA MOTOR CO LTD·Filed 2022·Application pending·0 cites
- 5047US5386222AInk jet recording system and recovery device used with sameCANON KK·Filed 1994·Granted Jan 31, 1995·6 cites·13 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →