Inventor · disambiguated record
Osamu Kawasaki
Also filed as: KAWASAKI OSAMU
58 granted patents·10 pending applications·1,561 citations·filing 1987–2023
99Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD44SHARP KK7MITSUBISHI HEAVY IND LTD3SEIREN KST CORP3NAT UNIV CORP KYOTO INST TECH2
Top patents by PatentIndex Score
68 records- 0196US5920142AElectronic part and a method of production thereofMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jul 6, 1999·206 cites·48 claims
- 0295US5998907ASurface acoustic wave devices and their manufacturing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Dec 7, 1999·102 cites·11 claims
- 0393US6341851B1Ink jet recording apparatus including a pressure chamber and pressure applying meansMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jan 29, 2002·49 cites·5 claims
- 0493US5729186AResonator ladder surface acoustic wave filter suppressing spurious signalsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Mar 17, 1998·87 cites·20 claims
- 0589US6268983B1Head actuator driven by piezoelectric elementMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Jul 31, 2001·56 cites·50 claims
- 0689US6154940AElectronic part and a method of production thereofMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Dec 5, 2000·93 cites·62 claims
- 0789US5929555APiezoelectric resonator and method for fabricating the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jul 27, 1999·50 cites·13 claims
- 0885US6270202B1Liquid jetting apparatus having a piezoelectric drive element directly bonded to a casingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Aug 7, 2001·51 cites·19 claims
- 0985US6098460AAcceleration sensor and shock detecting device using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Aug 8, 2000·50 cites·27 claims
- 1083US7679277B2Light emitting device provided with semiconducting phosphor configured with four fluorescences having different emission peak wavelengthsSHARP KK·Filed 2006·Granted Mar 16, 2010·11 cites·10 claims
- 1183US6111338AAcceleration sensor and method for producing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Aug 29, 2000·53 cites·24 claims
- 1283US4853579ADrive method for ultrasonic motor providing enhanced stability of rotationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Aug 1, 1989·50 cites·9 claims
- 1382US6794796B2Piezoelectric transformer, piezoelectric transformer drive circuit, piezoelectric transformer drive method and cold cathode tube drive apparatus using piezoelectric transformerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Sep 21, 2004·22 cites·23 claims
- 1482US5408376APiezoelectric head actuatorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Apr 18, 1995·38 cites·22 claims
- 1582US4829209AUltrasonic motor with stator projections and at least two concentric rings of electrodesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted May 9, 1989·47 cites·6 claims
- 1681US5644199AMethod for driving an ultrasonic motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Jul 1, 1997·41 cites·13 claims
- 1780US6433458B2Method and unit for driving piezoelectric transformer used for controlling luminance of cold-cathode tubeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Aug 13, 2002·24 cites·8 claims
- 1880US5796213AInverter power source apparatus using a piezoelectric transformerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Aug 18, 1998·48 cites·12 claims
- 1979US8476657B2Light-emitting deviceKAWASAKI OSAMU·Filed 2009·Granted Jul 2, 2013·11 cites·12 claims
- 2077US6087760AUltrasonic transmitter-receiverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jul 11, 2000·79 cites·3 claims
- 2176US5994821ADisplacement control actuatorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Nov 30, 1999·31 cites·25 claims
- 2276US5461273AMethod and an apparatus for controlling a moving velocity of an ultrasonic motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Oct 24, 1995·32 cites·26 claims
- 2375US6583534B1Piezoelectric transformer, piezoelectric transformer drive circuit, piezoelectric transformer drive method and cold cathode tube drive apparatus using piezoelectric transformerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jun 24, 2003·14 cites·3 claims
- 2474US6737816B2Piezoelectric transformer, piezoelectric transformer drive circuit, piezoelectric transformer drive method and cold cathode tube drive apparatus using piezoelectric transformerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted May 18, 2004·14 cites·2 claims
- 2571US6227051B1Acceleration sensorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted May 8, 2001·13 cites·10 claims
- 2670US6615465B2Method for producing an acceleration sensorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Sep 9, 2003·13 cites·3 claims
- 2765US10833673B2Semiconductor deviceMITSUBISHI HEAVY IND LTD·Filed 2018·Granted Nov 10, 2020·1 cites·13 claims
- 2865US6156090AAir cleaner having vanes with a winglike cross-section between a shroud and baseplate for rotation within a housingHITACHI LTD·Filed 1998·Granted Dec 5, 2000·34 cites·37 claims
- 2963US5438229AUltrasonic motor and ultrasonic motor control methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Aug 1, 1995·23 cites·21 claims
- 3061US6166611AResonator ladder type surface acoustic wave filterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Dec 26, 2000·16 cites·10 claims
- 3159US8269237B2Light-emitting device, and illumination apparatus and display apparatus using the light-emitting deviceMORIOKA TATSUYA·Filed 2005·Granted Sep 18, 2012·3 cites·15 claims
- 3259US2015162474A1Solar cell module and solar power generation deviceSHARP KK·Filed 2013·Application pending·0 cites
- 3357US6043725AFilter circuit having plural passing bandsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Mar 28, 2000·14 cites·28 claims
- 3457US2016093448A1Photocatalyst material and photocatalyst deviceNAT UNIV CORP KYOTO INST TECH·Filed 2015·Application pending·0 cites
- 3556US8358388B2Planar light source, display device and method for manufacturing sameSHARP KK·Filed 2011·Granted Jan 22, 2013·0 cites·8 claims
- 3656US5854528AUltrasonic motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Dec 29, 1998·17 cites·14 claims
- 3756US5327040AUltrasonic motor with a vibrating body and a moving body driven therebyMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Jul 5, 1994·15 cites·4 claims
- 3855US7965351B2Planar light source, display device and method for manufacturing the sameSHARP KK·Filed 2008·Granted Jun 21, 2011·0 cites·21 claims
- 3955US5256928AUltrasonic motor with a vibrator having recessesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Oct 26, 1993·17 cites·13 claims
- 4054US5448129AUltrasonic motor with vibrating body and moving body driven therebyMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Sep 5, 1995·14 cites·2 claims
- 4154US2013105306A1Photocatalyst material and photocatalyst deviceSONODA SAKI·Filed 2011·Application pending·0 cites
- 4253US6243933B1Piezoelectric resonator and method for fabricating the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Jun 12, 2001·10 cites·7 claims
- 4353US6150903APiezoelectric filter, its manufacturing method, and intermediate frequency filterMATSUSHITA ELECTRIC INDUSTRTIA·Filed 1999·Granted Nov 21, 2000·11 cites·18 claims
- 4451US9726490B2Angular velocity sensorTAMURA MASAHIDE·Filed 2012·Granted Aug 8, 2017·1 cites·12 claims
- 4551US6497476B1Liquid injection device, manufacturing method therefor, liquid injection method and manufacturing method for piezo-electric actuatorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Dec 24, 2002·12 cites·29 claims
- 4651US2013008508A1Light absorbing material and photoelectric conversion elementNAT UNIV CORP KYOTO INST TECH·Filed 2011·Application pending·0 cites
- 4749US6416852B1Ceramics sound absorption materialISOLITE INSULATING PROD·Filed 2000·Granted Jul 9, 2002·4 cites·11 claims
- 4849US6050144AAcceleration sensorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Apr 18, 2000·11 cites·5 claims
- 4947US6028398ACold cathode fluorescent lamp driving apparatus using a piezoelectric transformerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Feb 22, 2000·14 cites·20 claims
- 5047US2015323711A1Scatterer substrateSHARP KK·Filed 2013·Application pending·0 cites
Showing the top 50 of 68 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →