Inventor · disambiguated record
Masahiro Soma
Also filed as: SOMA MASAHIRO
43 granted patents·8 pending applications·2,203 citations·filing 1984–2022
98Inventor score
Files withALPS ELECTRIC CO LTD27HITACHI AUTOMOTIVE SYSTEMS LTD7HITACHI LTD6HONDA MOTOR CO LTD2ALPS ALPINE CO LTD1
Top patents by PatentIndex Score
51 records- 0198US7406946B1Method and apparatus for attenuating fuel pump noise in a direct injection internal combustion chamberHITACHI LTD·Filed 2007·Granted Aug 5, 2008·62 cites·12 claims
- 0298US7166813B2Multistep switch having capacitive type sensorALPS ELECTRIC CO LTD·Filed 2005·Granted Jan 23, 2007·93 cites·3 claims
- 0398US6589118B1Analog input device to input multi directional signalsALPS ELECTRIC CO LTD·Filed 2000·Granted Jul 8, 2003·1.1k cites·13 claims
- 0497US6704005B2Input device which allows button input operation and coordinate input operation to be performed in the same operation planeALPS ELECTRIC CO LTD·Filed 2001·Granted Mar 9, 2004·173 cites·25 claims
- 0594US7312790B2Input apparatus for performing input operation corresponding to indication marks and coordinate input operation on the same operational planeALPS ELECTRIC CO LTD·Filed 2002·Granted Dec 25, 2007·101 cites·37 claims
- 0691US6585595B1Vibration generating device and input device for game apparatus using the sameALPS ELECTRIC CO LTD·Filed 2000·Granted Jul 1, 2003·46 cites·2 claims
- 0789US9309850B2Fuel injection valveHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2013·Granted Apr 12, 2016·7 cites·7 claims
- 0889US7527038B2Method and apparatus for attenuating fuel pump noise in a direct injection internal combustion chamberHITACHI LTD·Filed 2008·Granted May 5, 2009·15 cites·13 claims
- 0989US6352477B1Signal input device applicable to controllers for game machinesALPS ELECTRIC CO LTD·Filed 2000·Granted Mar 5, 2002·41 cites·3 claims
- 1089US4625919AElectromagnetic fuel injection valveHITACHI LTD·Filed 1984·Granted Dec 2, 1986·31 cites·7 claims
- 1185US7242323B2Electronic device having touch sensorALPS ELECTRIC CO LTD·Filed 2003·Granted Jul 10, 2007·27 cites·36 claims
- 1283US9429122B2Fuel injection deviceHONDA MOTOR CO LTD·Filed 2013·Granted Aug 30, 2016·4 cites·9 claims
- 1383US6956559B2Character input apparatusALPS ELECTRIC CO LTD·Filed 2001·Granted Oct 18, 2005·59 cites·30 claims
- 1482US10473075B2Fuel rail and method of manufacturing sameHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted Nov 12, 2019·2 cites·5 claims
- 1582USRE43864EMethod and apparatus for attenuating fuel pump noise in a direct injection internal combustion chamberWATANABE ATSUSHI·Filed 2010·Granted Dec 18, 2012·4 cites·27 claims
- 1680US8038178B2High pressure fuel pipe construction for an internal combustion engineHITACHI LTD·Filed 2009·Granted Oct 18, 2011·8 cites·5 claims
- 1780US6342009B1Input device for game machineALPS ELECTRIC CO LTD·Filed 1999·Granted Jan 29, 2002·101 cites·20 claims
- 1879US7472839B2Fuel injectorHITACHI LTD·Filed 2006·Granted Jan 6, 2009·10 cites·10 claims
- 1977US7321361B2Coordinate input device having non-flat operation surface and electronic apparatusALPS ELECTRIC CO LTD·Filed 2002·Granted Jan 22, 2008·24 cites·7 claims
- 2077US7310083B2Coordinate input deviceALPS ELECTRIC CO LTD·Filed 2004·Granted Dec 18, 2007·25 cites·6 claims
- 2174US8555858B2High pressure fuel pipe construction for an internal combustion engineBADARINARAYAN HARSHA·Filed 2011·Granted Oct 15, 2013·3 cites·16 claims
- 2274US5293158AX-Y direction input deviceALPS ELECTRIC CO LTD·Filed 1992·Granted Mar 8, 1994·66 cites·4 claims
- 2372USD338881SComputer mouseALPS ELECTRIC CO LTD·Filed 1991·Granted Aug 31, 1993·15 cites·1 claims
- 2471US9376982B2Control apparatus for fuel injectorITAYA TAKAKI·Filed 2012·Granted Jun 28, 2016·4 cites·17 claims
- 2571US8599141B2Input device having coordinate-inputting unit and switching unitSOMA MASAHIRO·Filed 2005·Granted Dec 3, 2013·8 cites·4 claims
- 2671US8074624B2Fuel system component for a direct injection internal combustion engineHOHKITA ATSUSHI·Filed 2009·Granted Dec 13, 2011·7 cites·9 claims
- 2770US11703021B2Fuel injection deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2021·Granted Jul 18, 2023·0 cites·20 claims
- 2870US5327162AX-y direction input deviceALPS ELECTRIC CO LTD·Filed 1993·Granted Jul 5, 1994·55 cites·12 claims
- 2968US6459058B1Operating device having operating button adapted to slide in housing while being pushed to effect switching operationALPS ELECTRIC CO LTD·Filed 2000·Granted Oct 1, 2002·14 cites·4 claims
- 3063US6955598B2Designated position detector and game controller utilizing the sameALPS ELECTRONICS CO LTD·Filed 2001·Granted Oct 18, 2005·10 cites·20 claims
- 3161US4881065AX-Y position input apparatus including preventing dust interferenceALPS ELECTRIC CO LTD·Filed 1987·Granted Nov 14, 1989·18 cites·6 claims
- 3260US7324021B2Input deviceALPS ELECTRIC CO LTD·Filed 2006·Granted Jan 29, 2008·3 cites·3 claims
- 3360US7199789B2Input apparatus having electrostatic sensorALPS ELECTRIC CO LTD·Filed 2003·Granted Apr 3, 2007·10 cites·2 claims
- 3459USRE41443EInput device which allows button input operation and coordinate input operation to be performed in the same operation planeALPS ELECTRIC CO LTD·Filed 2006·Granted Jul 20, 2010·1 cites·83 claims
- 3557US9644587B2Fuel injection deviceHONDA MOTOR CO LTD·Filed 2013·Granted May 9, 2017·0 cites·7 claims
- 3654US11067045B2Fuel injection deviceKUSAKABE RYO·Filed 2012·Granted Jul 20, 2021·0 cites·7 claims
- 3754US9617963B2Fuel injection valveHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2014·Granted Apr 11, 2017·0 cites·6 claims
- 3853US9765740B2Fuel injection valveHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2013·Granted Sep 19, 2017·0 cites·8 claims
- 3951US11822782B2Input deviceALPS ALPINE CO LTD·Filed 2022·Granted Nov 21, 2023·0 cites·11 claims
- 4049US5156130AFuel injection systemHITACHI LTD·Filed 1990·Granted Oct 20, 1992·12 cites·2 claims
- 4147US4739315AX-Y input deviceALPS ELECTRIC CO LTD·Filed 1986·Granted Apr 19, 1988·15 cites·3 claims
- 4245US2004196257A1Rotary input deviceALPS ELECTRIC CO LTD·Filed 2004·Application pending·0 cites
- 4343US2003112159A1External input unit with ten-key pad connectable to computer main unitALPS ELECTRIC CO LTD·Filed 2002·Application pending·0 cites
- 4443US2001049302A1Game controllerALPS ELECTRIC CO LTD·Filed 2001·Application pending·0 cites
- 4543US2001046897A1Steering wheel type controllerALPS ELECTRIC CO LTD·Filed 2001·Application pending·0 cites
- 4641US2013075501A1Fuel injectorMIYAKE TAKAO·Filed 2012·Application pending·0 cites
- 4739US7643013B2Input deviceALPS ELECTRIC CO LTD·Filed 2004·Granted Jan 5, 2010·0 cites·6 claims
- 4839US2001045937A1Character input deviceALPS ELECTRIC CO LTD·Filed 2001·Application pending·0 cites
- 4938US2017226978A1Fuel RailHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2015·Application pending·0 cites
- 5037US2017260945A1Fuel RailHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2015·Application pending·0 cites
Showing the top 50 of 51 patent records by PatentIndex Score.
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