Inventor · disambiguated record
Ryoichi Maruyama
Also filed as: MARUYAMA RYOICHI
23 granted patents·569 citations·filing 1983–1997
97Inventor score
Files withKOMATSU MFG CO LTD23
Top patents by PatentIndex Score
23 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
- 0386US5477455ATurning control system for use in a track-laying vehicleKOMATSU MFG CO LTD·Filed 1994·Granted Dec 19, 1995·25 cites·13 claims
- 0485US6246944B1Apparatus for controlling brake of vehicleKOMATSU MFG CO LTD·Filed 1997·Granted Jun 12, 2001·36 cites·7 claims
- 0585US5611405ATurning speed control system for use in a track-laying vehicleKOMATSU MFG CO LTD·Filed 1996·Granted Mar 18, 1997·39 cites·9 claims
- 0681US5671137AResponse control system for hydrostatic-mechanical transmissionsKOMATSU MFG CO LTD·Filed 1995·Granted Sep 23, 1997·36 cites·6 claims
- 0780US5406793ATransmission and control mechanism for hydrostatic-mechanical power transmission systemKOMATSU MFG CO LTD·Filed 1992·Granted Apr 18, 1995·33 cites·12 claims
- 0878US5684694ASystem 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
- 0978US5466197AMechanical-hydraulic transmissionKOMATSU MFG CO LTD·Filed 1991·Granted Nov 14, 1995·31 cites·3 claims
- 1075US4519275ATurning control system for a hydro-mechanical transmissionKOMATSU MFG CO LTD·Filed 1983·Granted May 28, 1985·30 cites·3 claims
- 1173US5540051AControl mechanism for hydrostatic-mechanical power transmission systemKOMATSU MFG CO LTD·Filed 1995·Granted Jul 30, 1996·26 cites·18 claims
- 1270US5529546AForward/reverse drive and stop control system for hydrostatic -mechanical transmissionsKOMATSU MFG CO LTD·Filed 1995·Granted Jun 25, 1996·29 cites·7 claims
- 1368US5477454ATurning system for use in a track-laying vehicleKOMATSU MFG CO LTD·Filed 1994·Granted Dec 19, 1995·17 cites·11 claims
- 1465USRE36151ETurning control system for use in a track-laying vehicleKOMATSU MFG CO LTD·Filed 1996·Granted Mar 16, 1999·19 cites·1 claims
- 1565US4497223AEngine speed control system for a hydro-mechanical transmissionKOMATSU MFG CO LTD·Filed 1983·Granted Feb 5, 1985·22 cites·3 claims
- 1663US5531304ACreep preventing control system for hydrostatic-mechanical transmissionsKOMATSU MFG CO LTD·Filed 1995·Granted Jul 2, 1996·19 cites·4 claims
- 1759US4519274AAutomatic speed range change-over system for a hydro-mechanical transmissionKOMATSU MFG CO LTD·Filed 1983·Granted May 28, 1985·18 cites·3 claims
- 1854US5113723AClutch changeover circuit for non-stage transmissionKOMATSU MFG CO LTD·Filed 1991·Granted May 19, 1992·10 cites·14 claims
- 1953US5522775ASpeed change gear control system for hydrostatic-mechanical transmissionsKOMATSU MFG CO LTD·Filed 1994·Granted Jun 4, 1996·13 cites·21 claims
- 2042US5622050ASystem 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
- 2139US5524436AOverrun protecting control system for hydrostatic-mechanical transmissionsKOMATSU MFG CO LTD·Filed 1995·Granted Jun 11, 1996·9 cites·4 claims
- 2231US5069087AClutch changeover circuit for non-stage transmissionKOMATSU MFG CO LTD·Filed 1989·Granted Dec 3, 1991·1 cites·6 claims
- 2324US4663987ASpeed-change/steering system for crawler type vehiclesKOMATSU MFG CO LTD·Filed 1984·Granted May 12, 1987·3 cites·2 claims
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