Inventor · disambiguated record
Tsutomu Ishino
Also filed as: ISHINO TSUTOMU
35 granted patents·6 pending applications·666 citations·filing 1984–2025
98Inventor score
Top patents by PatentIndex Score
41 records- 0194US5535840ASteering system for use in a track-laying vehicleKOMATSU MFG CO LTD·Filed 1994·Granted Jul 16, 1996·61 cites·7 claims
- 0294US5473541ASteering control system for use in a track-laying vehicleKOMATSU MFG CO LTD·Filed 1994·Granted Dec 5, 1995·42 cites·17 claims
- 0392US4699239ADriving control device of a crawler type tractorKOMATSU MFG CO LTD·Filed 1984·Granted Oct 13, 1987·80 cites·6 claims
- 0488US7888926B2Step-down type switching regulatorROHM CO LTD·Filed 2009·Granted Feb 15, 2011·21 cites·11 claims
- 0587US8786247B2Charging circuitISHINO TSUTOMU·Filed 2011·Granted Jul 22, 2014·20 cites·18 claims
- 0686US5477455ATurning control system for use in a track-laying vehicleKOMATSU MFG CO LTD·Filed 1994·Granted Dec 19, 1995·25 cites·13 claims
- 0785US7576529B2Step-down type switching regulatorROHM CO LTD·Filed 2006·Granted Aug 18, 2009·18 cites·10 claims
- 0885US5611405ATurning speed control system for use in a track-laying vehicleKOMATSU MFG CO LTD·Filed 1996·Granted Mar 18, 1997·39 cites·9 claims
- 0982US12081125B2Control circuit of DC/DC converter, power supply circuit, and electronic deviceROHM CO LTD·Filed 2022·Granted Sep 3, 2024·1 cites·16 claims
- 1081US5671137AResponse control system for hydrostatic-mechanical transmissionsKOMATSU MFG CO LTD·Filed 1995·Granted Sep 23, 1997·36 cites·6 claims
- 1180US5406793ATransmission and control mechanism for hydrostatic-mechanical power transmission systemKOMATSU MFG CO LTD·Filed 1992·Granted Apr 18, 1995·33 cites·12 claims
- 1278US5684694ASystem for controlling a hydrostatic-mechanical transmission when an oil pressure exceeds a relief pressureKOMATSU MFG CO LTD·Filed 1995·Granted Nov 4, 1997·35 cites·6 claims
- 1378US5466197AMechanical-hydraulic transmissionKOMATSU MFG CO LTD·Filed 1991·Granted Nov 14, 1995·31 cites·3 claims
- 1477US7397151B2Power supply unit and portable apparatus using the sameROHM CO LTD·Filed 2004·Granted Jul 8, 2008·27 cites·12 claims
- 1576US2025373216A1Transconductance amplifier, controller circuit, and dc/dc converter including controller circuitROHM CO LTD·Filed 2025·Application pending·0 cites
- 1673US7759917B2Power supply unit and portable apparatus using the sameROHM CO LTD·Filed 2008·Granted Jul 20, 2010·9 cites·6 claims
- 1773US5540051AControl mechanism for hydrostatic-mechanical power transmission systemKOMATSU MFG CO LTD·Filed 1995·Granted Jul 30, 1996·26 cites·18 claims
- 1870US5529546AForward/reverse drive and stop control system for hydrostatic -mechanical transmissionsKOMATSU MFG CO LTD·Filed 1995·Granted Jun 25, 1996·29 cites·7 claims
- 1968US5477454ATurning system for use in a track-laying vehicleKOMATSU MFG CO LTD·Filed 1994·Granted Dec 19, 1995·17 cites·11 claims
- 2067US7868598B2Switching regulatorROHM CO LTD·Filed 2006·Granted Jan 11, 2011·8 cites·3 claims
- 2167US2025006964A1Fuel cell system and work machineKOMATSU MFG CO LTD·Filed 2022·Application pending·0 cites
- 2265USRE36151ETurning control system for use in a track-laying vehicleKOMATSU MFG CO LTD·Filed 1996·Granted Mar 16, 1999·19 cites·1 claims
- 2364US10389339B2Device and method for controlling slew rateROHM CO LTD·Filed 2017·Granted Aug 20, 2019·1 cites·20 claims
- 2463US5531304ACreep preventing control system for hydrostatic-mechanical transmissionsKOMATSU MFG CO LTD·Filed 1995·Granted Jul 2, 1996·19 cites·4 claims
- 2562US12057775B2Current detection circuit, synchronous rectification type DC/DC buck converter and control circuit thereofROHM CO LTD·Filed 2022·Granted Aug 6, 2024·0 cites·20 claims
- 2656US8716995B2Control circuit for switching power supplyISHINO TSUTOMU·Filed 2011·Granted May 6, 2014·1 cites·36 claims
- 2755US12166419B2Control circuit of boost DC-DC converter, power supply circuit, and electronic deviceROHM CO LTD·Filed 2022·Granted Dec 10, 2024·0 cites·19 claims
- 2854US12003181B2Buck DC/DC converter, controller thereof and controlling method thereof, and electronic deviceROHM CO LTD·Filed 2022·Granted Jun 4, 2024·0 cites·20 claims
- 2954US5113723AClutch changeover circuit for non-stage transmissionKOMATSU MFG CO LTD·Filed 1991·Granted May 19, 1992·10 cites·14 claims
- 3053US5522775ASpeed change gear control system for hydrostatic-mechanical transmissionsKOMATSU MFG CO LTD·Filed 1994·Granted Jun 4, 1996·13 cites·21 claims
- 3151US11936298B2Drive circuit of high-side transistor, switching circuit, and controller of DC/DC converterROHM CO LTD·Filed 2022·Granted Mar 19, 2024·0 cites·14 claims
- 3251US5435140AVuilleumier heat pump deviceDAIKIN IND LTD·Filed 1994·Granted Jul 25, 1995·18 cites·7 claims
- 3342US5622050ASystem for controlling a hydrostatic-mechanical transmission at the time of vehicle acceleration or decelerationKOMATSU MFG CO LTD·Filed 1995·Granted Apr 22, 1997·15 cites·5 claims
- 3441US2015015219A1Dc/dc converterROHM CO LTD·Filed 2014·Application pending·0 cites
- 3540US8912777B2Control circuit and control method for switching power supply, and switching power supply and electronic apparatus using control circuit and control methodISHINO TSUTOMU·Filed 2012·Granted Dec 16, 2014·0 cites·13 claims
- 3639US5524436AOverrun protecting control system for hydrostatic-mechanical transmissionsKOMATSU MFG CO LTD·Filed 1995·Granted Jun 11, 1996·9 cites·4 claims
- 3739US2007262448A1Semiconductor Device, Power Supply Apparatus Using Same, and Electronic DeviceISHINO TSUTOMU·Filed 2005·Application pending·0 cites
- 3835US2017346402A1Synchronous rectification dc/dc converterROHM CO LTD·Filed 2017·Application pending·0 cites
- 3935US2007206338A1Circuit Protection Method, Protection Circuit and Power Supply Device Using The Protection CircuitISHINO TSUTOMU·Filed 2005·Application pending·0 cites
- 4031US5069087AClutch changeover circuit for non-stage transmissionKOMATSU MFG CO LTD·Filed 1989·Granted Dec 3, 1991·1 cites·6 claims
- 4126US5461869AVuilleumier heat pump deviceDAIKIN IND LTD·Filed 1993·Granted Oct 31, 1995·2 cites·6 claims
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