Inventor · disambiguated record
Toru Tazawa
Also filed as: TAZAWA TORU
32 granted patents·7 pending applications·720 citations·filing 1997–2023
97Inventor score
Files withPANASONIC IP MAN CO LTD19MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9PANASONIC CORP5TAZAWA TORU3FUJIWARA HIROSHI1
Top patents by PatentIndex Score
39 records- 0197US9929683B2Motor drive device and brushless motorPANASONIC IP MAN CO LTD·Filed 2015·Granted Mar 27, 2018·15 cites·3 claims
- 0297US6462491B1Position sensorless motor control apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Oct 8, 2002·144 cites·26 claims
- 0397US6121736AControl apparatus for motor, and motor unit having the control apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Sep 19, 2000·151 cites·23 claims
- 0496US6583593B2Method and apparatus for position-sensorless motor controlMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jun 24, 2003·98 cites·28 claims
- 0592US6512341B2Apparatus and method for driving a brushless motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jan 28, 2003·57 cites·25 claims
- 0688US8378615B2Motor controllerPANASONIC CORP·Filed 2009·Granted Feb 19, 2013·17 cites·14 claims
- 0788US6879129B2Brushless motor control method and controllerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Apr 12, 2005·40 cites·25 claims
- 0887US8901872B2Motor controllerPANASONIC CORP·Filed 2012·Granted Dec 2, 2014·6 cites·13 claims
- 0985US5861728AMethod for measuring motor parameters of induction motor and control apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jan 19, 1999·67 cites·22 claims
- 1084US6163912AWashing machineMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Dec 26, 2000·50 cites·48 claims
- 1183US11415948B2Device for controlling electric motorPANASONIC IP MAN CO LTD·Filed 2020·Granted Aug 16, 2022·1 cites·3 claims
- 1282US6936990B2Method for controlling electric motor and apparatus for controlling the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Aug 30, 2005·32 cites·56 claims
- 1381US10715075B2Motor control device and motor control methodPANASONIC IP MAN CO LTD·Filed 2017·Granted Jul 14, 2020·2 cites·6 claims
- 1479US10579038B2Control apparatus of an electric motorPANASONIC IP MAN CO LTD·Filed 2018·Granted Mar 3, 2020·1 cites·6 claims
- 1578US6844693B2Position control apparatus for motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jan 18, 2005·26 cites·31 claims
- 1677US10197986B2Control apparatus of an electric motorPANASONIC IP MAN CO LTD·Filed 2018·Granted Feb 5, 2019·1 cites·3 claims
- 1774US8497642B2Motor devices, and motor driving system and integrated circuit device comprising the sameYASOHARA MASAHIRO·Filed 2009·Granted Jul 30, 2013·4 cites·31 claims
- 1871US10007249B2Control apparatus of an electric motorPANASONIC IP MAN CO LTD·Filed 2015·Granted Jun 26, 2018·1 cites·3 claims
- 1964US9024552B2Current control gain adjusting method for PM motor, current control method, and control deviceTAZAWA TORU·Filed 2011·Granted May 5, 2015·2 cites·6 claims
- 2062US9771944B2Motor controller and motor control methodSASAKI RYUTA·Filed 2012·Granted Sep 26, 2017·1 cites·11 claims
- 2161US2025244738A1Servo adjustment method of motor driving device, program, and servo adjustment device for motor driving devicePANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 2258US12461123B2Oscillation information calculation device, oscillation information calculation method, and non-transitory computer-readable recording mediumPANASONIC IP MAN CO LTD·Filed 2021·Granted Nov 4, 2025·0 cites·10 claims
- 2358US11320805B2Control device for electric motorPANASONIC IP MAN CO LTD·Filed 2018·Granted May 3, 2022·0 cites·3 claims
- 2455US2017350404A1Motor controller and motor control methodPANASONIC IP MAN CO LTD·Filed 2017·Application pending·0 cites
- 2554US10715076B2Motor control device and motor control methodPANASONIC IP MAN CO LTD·Filed 2017·Granted Jul 14, 2020·0 cites·8 claims
- 2650US7843159B2Motor controllerPANASONIC CORP·Filed 2008·Granted Nov 30, 2010·2 cites·12 claims
- 2750US2025147502A1Diagnosis system, diagnosis method, and programPANASONIC IP MAN CO LTD·Filed 2022·Application pending·0 cites
- 2848US11601080B2Motor control devicePANASONIC IP MAN CO LTD·Filed 2019·Granted Mar 7, 2023·0 cites·2 claims
- 2947US2024413776A1Frequency characteristic measurement apparatus and frequency characteristic measurement methodPANASONIC IP MAN CO LTD·Filed 2022·Application pending·0 cites
- 3046US8375317B2Motor control characteristic evaluation device and motor control characteristic presentation methodPANASONIC CORP·Filed 2009·Granted Feb 12, 2013·2 cites·14 claims
- 3145US10985683B2Electric motor control device and electric motor control methodPANASONIC IP MAN CO LTD·Filed 2018·Granted Apr 20, 2021·0 cites·8 claims
- 3244US11658598B2Linear motor systemPANASONIC IP MAN CO LTD·Filed 2020·Granted May 23, 2023·0 cites·6 claims
- 3344US9065380B2Method for calculating motor constant of permanent magnet type synchronous motor and motor constant calculating deviceTAZAWA TORU·Filed 2012·Granted Jun 23, 2015·0 cites·8 claims
- 3444US9024562B2Motor constant calculating method for PM motor, and motor constant calculating deviceTAZAWA TORU·Filed 2011·Granted May 5, 2015·0 cites·14 claims
- 3541US8975849B2Motor control apparatusFUJIWARA HIROSHI·Filed 2011·Granted Mar 10, 2015·0 cites·16 claims
- 3639US2022261011A1Motor control device, moving body, motor control method, and programPANASONIC IP MAN CO LTD·Filed 2020·Application pending·0 cites
- 3738US2023057511A1Linear motor systemPANASONIC IP MAN CO LTD·Filed 2020·Application pending·0 cites
- 3837US11764717B2Linear motor systemPANASONIC IP MAN CO LTD·Filed 2020·Granted Sep 19, 2023·0 cites·6 claims
- 3937US2011031906A1Motor driving device, integrated circuit device, motor device, and motor driving systemPANASONIC CORP·Filed 2009·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Toru Tazawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →