Inventor · disambiguated record
Takao Akiyama
Also filed as: AKIYAMA TAKAO
42 granted patents·2 pending applications·364 citations·filing 1975–2020
97Inventor score
Files withMEIDENSHA ELECTRIC MFG CO LTD35SEIKO INSTR INC3DORYOKURO KAKUNENRYO1DOURYOKURO KAKUNENRYO KAIHATSU1HITACHI LTD1
Top patents by PatentIndex Score
44 records- 0195US7523011B2Method for analyzing signal waveform and analyzing vehicle dynamic characteristicMEIDENSHA ELECTRIC MFG CO LTD·Filed 2006·Granted Apr 21, 2009·123 cites·24 claims
- 0293US9234820B2Testing system for drivetrainMEIDENSHA ELECTRIC MFG CO LTD·Filed 2013·Granted Jan 12, 2016·14 cites·16 claims
- 0392US9116062B2Dynamometer systemMEIDENSHA ELECTRIC MFG CO LTD·Filed 2013·Granted Aug 25, 2015·17 cites·5 claims
- 0489US11441971B2Testing systemMEIDENSHA ELECTRIC MFG CO LTD·Filed 2020·Granted Sep 13, 2022·2 cites·8 claims
- 0588US10371589B2Control device for dynamometer systemMEIDENSHA ELECTRIC MFG CO LTD·Filed 2016·Granted Aug 6, 2019·5 cites·2 claims
- 0688US9739687B2Dynamometer systemMEIDENSHA ELECTRIC MFG CO LTD·Filed 2014·Granted Aug 22, 2017·9 cites·8 claims
- 0787US10041858B2Dynamometer control device and method for estimating moment of inertia using sameMEIDENSHA ELECTRIC MFG CO LTD·Filed 2016·Granted Aug 7, 2018·5 cites·5 claims
- 0887US9400231B2Engine bench systemMEIDENSHA ELECTRIC MFG CO LTD·Filed 2014·Granted Jul 26, 2016·8 cites·2 claims
- 0987US9207149B2Drive-train testing systemMEIDENSHA ELECTRIC MFG CO LTD·Filed 2012·Granted Dec 8, 2015·8 cites·8 claims
- 1086US10895511B2Dynamometer systemMEIDENSHA ELECTRIC MFG CO LTD·Filed 2018·Granted Jan 19, 2021·3 cites·4 claims
- 1186US3943751AMethod and apparatus for continuously measuring hydrogen concentration in argon gasDORYOKURO KAKUNENRYO·Filed 1975·Granted Mar 16, 1976·35 cites·11 claims
- 1284US8006548B2Engine bench system control systemMEIDENSHA ELECTRIC MFG CO LTD·Filed 2008·Granted Aug 30, 2011·12 cites·20 claims
- 1383US10892695B2Motor drive systemMEIDENSHA ELECTRIC MFG CO LTD·Filed 2020·Granted Jan 12, 2021·1 cites·12 claims
- 1482US10444117B2Resonance suppression control circuit and testing system employing same, and method of designing resonance suppression control circuitMEIDENSHA ELECTRIC MFG CO LTD·Filed 2017·Granted Oct 15, 2019·2 cites·20 claims
- 1581US11105701B2Dynamometer control deviceMEIDENSHA ELECTRIC MFG CO LTD·Filed 2018·Granted Aug 31, 2021·2 cites·4 claims
- 1679US10151666B2Torque command generation deviceMEIDENSHA ELECTRIC MFG CO LTD·Filed 2017·Granted Dec 11, 2018·2 cites·2 claims
- 1778US11313762B2Dynamometer control deviceMEIDENSHA ELECTRIC MFG CO LTD·Filed 2019·Granted Apr 26, 2022·2 cites·14 claims
- 1878US6775610B2Engine testing system using speed controller designed by mμ synthesis methodMEIDENSHA ELECTRIC MFG CO LTD·Filed 2002·Granted Aug 10, 2004·20 cites·16 claims
- 1977US4879087ANuclear power plantHITACHI LTD·Filed 1988·Granted Nov 7, 1989·34 cites·17 claims
- 2076US11085851B2Method for calculating estimation value of mechanical characteristic parameterMEIDENSHA ELECTRIC MFG CO LTD·Filed 2018·Granted Aug 10, 2021·1 cites·6 claims
- 2176US6768940B2Engine testing system using torque controller designed by μ-synthesis methodMEIDENSHA ELECTRIC MFG CO LTD·Filed 2002·Granted Jul 27, 2004·18 cites·16 claims
- 2275US9689774B2Torque command generation deviceMEIDENSHA ELECTRIC MFG CO LTD·Filed 2014·Granted Jun 27, 2017·6 cites·4 claims
- 2374US10942091B2Control device of dynamometer systemMEIDENSHA ELECTRIC MFG CO LTD·Filed 2018·Granted Mar 9, 2021·1 cites·3 claims
- 2472US9459181B2Testing system for drive-trainMEIDENSHA ELECTRIC MFG CO LTD·Filed 2014·Granted Oct 4, 2016·4 cites·18 claims
- 2571US10190944B2Dynamometer-system dynamo control device and engine starting method thereforMEIDENSHA ELECTRIC MFG CO LTD·Filed 2016·Granted Jan 29, 2019·1 cites·9 claims
- 2667US10605689B2Test piece characteristic estimation method and test piece characteristic estimation deviceMEIDENSHA ELECTRIC MFG CO LTD·Filed 2016·Granted Mar 31, 2020·1 cites·13 claims
- 2760US2019229659A1Motor drive systemMEIDENSHA ELECTRIC MFG CO LTD·Filed 2017·Application pending·0 cites
- 2859US10558179B2Shaft torque control deviceMEIDENSHA ELECTRIC MFG CO LTD·Filed 2017·Granted Feb 11, 2020·1 cites·20 claims
- 2958US9778140B2Engine testing apparatus, and engine testing methodSUZUKI YASUAKI·Filed 2012·Granted Oct 3, 2017·3 cites·10 claims
- 3054US11879807B2System identification method, system identification device, and programMEIDENSHA ELECTRIC MFG CO LTD·Filed 2020·Granted Jan 23, 2024·0 cites·7 claims
- 3154US10948383B2Method for controlling engine bench systemMEIDENSHA ELECTRIC MFG CO LTD·Filed 2018·Granted Mar 16, 2021·0 cites·1 claims
- 3251US11262274B2Method for designing shaft torque controller and feedback controller of test system, and shaft torque controller designed on basis of same design methodMEIDENSHA ELECTRIC MFG CO LTD·Filed 2019·Granted Mar 1, 2022·0 cites·17 claims
- 3350US11280702B2Tandom motor systemMEIDENSHA ELECTRIC MFG CO LTD·Filed 2019·Granted Mar 22, 2022·0 cites·13 claims
- 3450US11150150B2Dynamometer control deviceMEIDENSHA ELECTRIC MFG CO LTD·Filed 2019·Granted Oct 19, 2021·0 cites·19 claims
- 3549US11733671B2Testing system having a control deviceMEIDENSHA ELECTRIC MFG CO LTD·Filed 2018·Granted Aug 22, 2023·0 cites·6 claims
- 3649US11371912B2Mechanical characteristics estimation method and mechanical characteristics estimation device of test systemMEIDENSHA ELECTRIC MFG CO LTD·Filed 2018·Granted Jun 28, 2022·0 cites·20 claims
- 3746US11313761B2Test systemMEIDENSHA ELECTRIC MFG CO LTD·Filed 2017·Granted Apr 26, 2022·0 cites·4 claims
- 3846US11029233B2Input/output characteristic estimation method for drivetrain testing systemMEIDENSHA ELECTRIC MFG CO LTD·Filed 2018·Granted Jun 8, 2021·0 cites·12 claims
- 3946US5353043APrinting data transferring method to a line headSEIKO INSTR INC·Filed 1992·Granted Oct 4, 1994·7 cites·12 claims
- 4042US7757381B2Electric staking dieKADOHIRA HIROSHI·Filed 2005·Granted Jul 20, 2010·2 cites·6 claims
- 4141US2013141508A1Method of manufacturing thermal head, and thermal printer and method of driving the sameSEIKO INSTR INC·Filed 2012·Application pending·0 cites
- 4238US5855689AMethod for etching inside of tungsten CVD reaction roomNEC CORP·Filed 1997·Granted Jan 5, 1999·6 cites·3 claims
- 4336US6259534B1Printing apparatus having a memory management systemSEIKO INSTR INC·Filed 1994·Granted Jul 10, 2001·7 cites·17 claims
- 4423US5744020AProcess for treatment of radioactive wasteDOURYOKURO KAKUNENRYO KAIHATSU·Filed 1996·Granted Apr 28, 1998·2 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →