Inventor · disambiguated record
Hiroaki Takechi
Also filed as: TAKECHI HIROAKI
15 granted patents·8 pending applications·285 citations·filing 1991–2020
92Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES11YAMAHA MOTOR CO LTD5SAMSUNG SDI CO LTD4TAKECHI HIROAKI2KOMATSU MFG CO LTD1
Top patents by PatentIndex Score
23 records- 0187US5764009AMotor control device in electric motor-operated vehicleYAMAHA MOTOR CO LTD·Filed 1995·Granted Jun 9, 1998·72 cites·22 claims
- 0287US5154986AShut-off device for fuel cell systemYAMAHA MOTOR CO LTD·Filed 1991·Granted Oct 13, 1992·103 cites·6 claims
- 0378US10309841B2Temperature detecting apparatusSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Jun 4, 2019·2 cites·4 claims
- 0478US8600543B2Apparatus and method for controlling temperature of semiconductor wafersTAKECHI HIROAKI·Filed 2009·Granted Dec 3, 2013·9 cites·10 claims
- 0576US10408864B2Voltage measuring apparatus, voltage measuring method, voltage control apparatus, and voltage control methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Sep 10, 2019·4 cites·19 claims
- 0673US6529816B1Evolutionary controlling system for motorYAMAHA MOTOR CO LTD·Filed 1999·Granted Mar 4, 2003·29 cites·15 claims
- 0761US8109328B2Fluid temperature control deviceTAKECHI HIROAKI·Filed 2008·Granted Feb 7, 2012·1 cites·4 claims
- 0856US5864224AMethod for charging secondary battery and charger thereforYAMAHA MOTOR CO LTD·Filed 1995·Granted Jan 26, 1999·33 cites·10 claims
- 0949US2022255144A1Battery information management system, node, management method, recording method, and computer programSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Application pending·0 cites
- 1048US11313911B2Secondary battery parameter estimation device, secondary battery parameter estimation method, and programSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Apr 26, 2022·0 cites·9 claims
- 1148US9735415B2Battery pack and protection method using the sameSAMSUNG SDI CO LTD·Filed 2014·Granted Aug 15, 2017·0 cites·15 claims
- 1247US9653929B2Battery charging apparatus and charging method thereofSAMSUNG SDI CO LTD·Filed 2014·Granted May 16, 2017·0 cites·20 claims
- 1346US6148909ATemperature control device and temperature control methodKOMATSU MFG CO LTD·Filed 1999·Granted Nov 21, 2000·19 cites·14 claims
- 1444US2015194823A1Battery charging device and battery charging methodSAMSUNG SDI CO LTD·Filed 2014·Application pending·0 cites
- 1543US2020412146A1Battery monitoring method, battery monitoring device, and battery monitoring systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Application pending·0 cites
- 1643US2021367277A1Battery management device, battery information processing system, and battery information processing methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Application pending·0 cites
- 1742US5751136AChecking method of connection between secondary battery and battery charger and checking deviceYAMAHA MOTOR CO LTD·Filed 1995·Granted May 12, 1998·13 cites·6 claims
- 1842US2019094305A1Amount of charge calculation device, recording medium, and amount of charge calculation methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Application pending·0 cites
- 1941US11448704B2Parameter estimation device, parameter estimation method, and computer programSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Sep 20, 2022·0 cites·7 claims
- 2038US2015134169A1Apparatus for controlling driving of a motorSAMSUNG SDI CO LTD·Filed 2014·Application pending·0 cites
- 2138US2021184278A1Battery monitoring device, computer program, and battery monitoring methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Application pending·0 cites
- 2237US10656213B2Internal resistance calculation device, recording medium, and internal resistance calculation methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted May 19, 2020·0 cites·17 claims
- 2334US2022020082A1Rental information generation device, secondary-battery management device, user terminal device, computer program, and rental information generation methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Hiroaki Takechi 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 →