Inventor · disambiguated record
Akihiro Sawada
Also filed as: SAWADA AKIHIRO
48 granted patents·13 pending applications·607 citations·filing 1985–2023
98Inventor score
Files withSEIKO EPSON CORP18BROTHER IND LTD14MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11MITSUBISHI ELECTRIC CORP5ISUZU MOTORS LTD2
Top patents by PatentIndex Score
61 records- 0197US7583564B2Piezoelectric actuator and electronic equipment with piezoelectric actuatorSEIKO EPSON CORP·Filed 2006·Granted Sep 1, 2009·46 cites·16 claims
- 0290US5642323ASemiconductor integrated circuit with a data transmission circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Jun 24, 1997·56 cites·12 claims
- 0389US8098408B2Two-dimentional code printing apparatus and method and tangible mediumSAWADA AKIHIRO·Filed 2007·Granted Jan 17, 2012·18 cites·20 claims
- 0484US5546346ASemiconductor memory deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Aug 13, 1996·53 cites·28 claims
- 0583US7439650B2Piezoactuator drive detection device and electronic deviceSEIKO EPSON CORP·Filed 2006·Granted Oct 21, 2008·11 cites·15 claims
- 0681US12468259B2Balance, timepiece, and method for manufacturing balanceSEIKO EPSON CORP·Filed 2023·Granted Nov 11, 2025·0 cites·12 claims
- 0781US5396124ACircuit redundancy having a variable impedance circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Mar 7, 1995·50 cites·9 claims
- 0881US5395173ABar code and text printer capable of displaying bar code locationBROTHER IND LTD·Filed 1994·Granted Mar 7, 1995·70 cites·34 claims
- 0980US11102911B2Inverter deviceMITSUBISHI ELECTRIC CORP·Filed 2020·Granted Aug 24, 2021·1 cites·21 claims
- 1079US10802448B2Electronic timepieceSEIKO EPSON CORP·Filed 2018·Granted Oct 13, 2020·2 cites·13 claims
- 1175US9844126B2Plasma treatment apparatusIKEDA MASAYOSHI·Filed 2012·Granted Dec 12, 2017·4 cites·5 claims
- 1275US7675218B2Drive apparatus of piezoelectric actuator, electronic apparatus, drive method of electronic apparatus, drive control program of electronic apparatus, and mediumSEIKO EPSON CORP·Filed 2005·Granted Mar 9, 2010·6 cites·2 claims
- 1374USRE40709EPiezoactuator and drive circuit thereforSEIKO EPSON CORP·Filed 2006·Granted May 12, 2009·6 cites·22 claims
- 1474US7327195B2PLL frequency synthesizerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Feb 5, 2008·9 cites·6 claims
- 1574US5344247APrinting deviceBROTHER IND LTD·Filed 1993·Granted Sep 6, 1994·32 cites·16 claims
- 1673US7714668B2Phase locked loop circuit and wireless communication systemPANASONIC CORP·Filed 2008·Granted May 11, 2010·11 cites·9 claims
- 1772US12289070B2Electric motor control deviceMITSUBISHI ELECTRIC CORP·Filed 2023·Granted Apr 29, 2025·0 cites·9 claims
- 1872US12078965B2Balance with hairspring, movement, mechanical watch, and method for manufacturing balance with hairspringSEIKO EPSON CORP·Filed 2021·Granted Sep 3, 2024·0 cites·7 claims
- 1972US5609424ATape-shaped label producing device having input instructing messagesBROTHER IND LTD·Filed 1995·Granted Mar 11, 1997·33 cites·12 claims
- 2070US5496117ATape printerBROTHER IND LTD·Filed 1994·Granted Mar 5, 1996·28 cites·13 claims
- 2169US7298066B2Drive apparatus for piezoelectric actuator, drive method for piezoelectric actuator, electronic device, control program for drive apparatus for piezoelectric actuator, and recording mediumSEIKO EPSON CORP·Filed 2005·Granted Nov 20, 2007·5 cites·23 claims
- 2269US6841919B2Piezoactuator and drive circuit thereforSEIKO EPSON CORP·Filed 2002·Granted Jan 11, 2005·12 cites·21 claims
- 2367US11831259B2Motor control apparatusMITSUBISHI ELECTRIC CORP·Filed 2022·Granted Nov 28, 2023·0 cites·9 claims
- 2465US6909222B2Piezoelectric actuator, and timepiece and portable equipment having the sameSEIKO EPSON CORP·Filed 2003·Granted Jun 21, 2005·8 cites·31 claims
- 2564US7671518B2Piezoelectric vibrator, method for adjusting piezoelectric vibrator, piezoelectric actuator, timepiece, and electronic deviceSEIKO EPSON CORP·Filed 2006·Granted Mar 2, 2010·3 cites·10 claims
- 2663US10077699B2Exhaust purifying systemISUZU MOTORS LTD·Filed 2015·Granted Sep 18, 2018·1 cites·2 claims
- 2762US5508963ASemiconductor integrated circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Apr 16, 1996·21 cites·23 claims
- 2862US5447378ATape printing apparatusBROTHER IND LTD·Filed 1993·Granted Sep 5, 1995·21 cites·21 claims
- 2961US8525387B2Piezoelectric actuator, motor, robot hand, and robotKAMIJO KOICHI·Filed 2012·Granted Sep 3, 2013·2 cites·19 claims
- 3060US2024347430A1Power conversion device and manufacturing method thereforMITSUBISHI ELECTRIC CORP·Filed 2023·Application pending·0 cites
- 3154US11537083B2Electronic timepieceSEIKO EPSON CORP·Filed 2019·Granted Dec 27, 2022·0 cites·9 claims
- 3254US5719531AData transmission circuit, data line driving circuit, amplifying circuit, semiconductor integrated circuit, and semiconductor memoryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Feb 17, 1998·9 cites·2 claims
- 3353US5575573ADocument processing device having format information storing functionBROTHER IND LTD·Filed 1995·Granted Nov 19, 1996·14 cites·16 claims
- 3453US5479588ABar code printing apparatusBROTHER IND LTD·Filed 1993·Granted Dec 26, 1995·11 cites·20 claims
- 3553US4642779AWriting-plotting apparatus with keyboardBROTHER IND LTD·Filed 1985·Granted Feb 10, 1987·8 cites·9 claims
- 3652US11957642B2Internal substance supplier and method of producing molded productKIKUSUI SEISAKUSHO LTD·Filed 2022·Granted Apr 16, 2024·0 cites·15 claims
- 3750US2006245304A1Timepiece driving apparatus and time calculating apparatusSEIKO EPSON CORP·Filed 2006·Application pending·0 cites
- 3849US8810109B2Piezoelectric actuator, motor, robot hand, and robotSEIKO EPSON CORP·Filed 2013·Granted Aug 19, 2014·0 cites·20 claims
- 3949US6912181B2Electronic timepiece with controlled date display updatingSEIKO EPSON CORPORATIOIN·Filed 2003·Granted Jun 28, 2005·3 cites·41 claims
- 4048US10042327B2TimepieceSEIKO EPSON CORP·Filed 2016·Granted Aug 7, 2018·0 cites·9 claims
- 4148US5426601ASemiconductor memory device having a prolonged data holding timeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jun 20, 1995·12 cites·17 claims
- 4247US11761364B2Exhaust gas purification device for internal combustion engine, and vehicleISUZU MOTORS LTD·Filed 2020·Granted Sep 19, 2023·0 cites·6 claims
- 4347US2008000981A1Barcode print data creation apparatus and barcode print data creation program stored in computer readable recording mediumBROTHER IND LTD·Filed 2007·Application pending·0 cites
- 4447US2004233794A1Timepiece driving apparatus and time calculating apparatusSEIKO EPSON CORP·Filed 2004·Application pending·0 cites
- 4546US5680366AData transmission circuit, data line driving circuit, amplifying circuit, semiconductor integrated circuit, and semiconductor memoryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Oct 21, 1997·6 cites·7 claims
- 4646US5294202ABar-code printing deviceBROTHER IND LTD·Filed 1993·Granted Mar 15, 1994·12 cites·20 claims
- 4744US5549399ATape printing method and apparatus having horizontal and rotated printing modesBROTHER IND LTD·Filed 1995·Granted Aug 27, 1996·10 cites·25 claims
- 4844US2005158018A1Information reproduction apparatusFUJITSU TEN LTD·Filed 2005·Application pending·0 cites
- 4943US2004233793A1Analog electronic timepieceFiled 2003·Application pending·0 cites
- 5042US5515334AData transmission circuit, data line driving circuit, amplifying circuit, semiconductor integrated circuit, and semiconductor memoryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted May 7, 1996·5 cites·7 claims
Showing the top 50 of 61 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →