Inventor · disambiguated record
Mitsumasa Akashi
Also filed as: AKASHI MITSUMASA
20 granted patents·134 citations·filing 1975–2015
93Inventor score
Top patents by PatentIndex Score
20 records- 0184US4016903APilot operated pressure and vacuum relief valveKOMATSU MFG CO LTD·Filed 1975·Granted Apr 12, 1977·37 cites·2 claims
- 0278US9599225B2Blocking configuration of oil pressure circuit holeKOMATSU MFG CO LTD·Filed 2014·Granted Mar 21, 2017·5 cites·3 claims
- 0367US9085319B2Steering device for wheel loaderIMANISHI KOTA·Filed 2012·Granted Jul 21, 2015·4 cites·3 claims
- 0465US5533334APressurized fluid supply systemKOMATSU MFG CO LTD·Filed 1993·Granted Jul 9, 1996·16 cites·12 claims
- 0558US5677380APlanarizing material and planarizing methodTOSOH CORP·Filed 1995·Granted Oct 14, 1997·19 cites·20 claims
- 0658US5622206AMultiple valve unit for pressurized fluid supply systemKOMATSU MFG CO LTD·Filed 1995·Granted Apr 22, 1997·17 cites·16 claims
- 0752US5224589AOperating lever deviceKOMATSU MFG CO LTD·Filed 1991·Granted Jul 6, 1993·15 cites·14 claims
- 0849US7930943B2Differential pressure sensorKOMATSU MFG CO LTD·Filed 2008·Granted Apr 26, 2011·2 cites·20 claims
- 0948US9309647B2Steering device for wheel loaderKOMATSU MFG CO LTD·Filed 2015·Granted Apr 12, 2016·0 cites·9 claims
- 1048US8468909B2Electric lever deviceHORI SHUUJI·Filed 2009·Granted Jun 25, 2013·0 cites·7 claims
- 1147US9309648B2Steering device for wheel loaderKOMATSU MFG CO LTD·Filed 2015·Granted Apr 12, 2016·0 cites·5 claims
- 1247US9309646B2Steering device for wheel loaderKOMATSU MFG CO LTD·Filed 2015·Granted Apr 12, 2016·0 cites·4 claims
- 1342US8770087B2Hydraulic servo-drive device and variable turbo-supercharger using the sameKOZUKA DAISUKE·Filed 2009·Granted Jul 8, 2014·1 cites·6 claims
- 1441US8905244B2Oil filter and valve deviceHORI SHUUJI·Filed 2011·Granted Dec 9, 2014·0 cites·7 claims
- 1538US5778929ADirectional control valve assembly having a pressure compensation valveKOMATSU MFG CO LTD·Filed 1995·Granted Jul 14, 1998·6 cites·8 claims
- 1635US5738134APressure compensation valveKOMATSU MFG CO LTD·Filed 1995·Granted Apr 14, 1998·5 cites·3 claims
- 1734US5701796AHydraulic apparatus for travelingKOMATSU MFG CO LTD·Filed 1995·Granted Dec 30, 1997·4 cites·5 claims
- 1829US5735311APressure compensation valveKOMATSU MFG CO LTD·Filed 1995·Granted Apr 7, 1998·1 cites·2 claims
- 1928US5794510APressurized fluid feed systemKOMATSU MFG CO LTD·Filed 1994·Granted Aug 18, 1998·1 cites·2 claims
- 2028US5074330AAnti-abnormal-pressure/vacuum valveKOMATSU MFG CO LTD·Filed 1989·Granted Dec 24, 1991·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →