Inventor · disambiguated record
Masahiro Tomita
Also filed as: TOMITA MASAHIRO
71 granted patents·8 pending applications·2,362 citations·filing 1974–2019
99Inventor score
Top patents by PatentIndex Score
79 records- 0199US4553059APiezoelectric actuator and a piezoelectric pump injector incorporating the sameNIPPON SOKEN·Filed 1984·Granted Nov 12, 1985·135 cites·9 claims
- 0299US4535588ACarbon particulates cleaning device for diesel engineNIPPON SOKEN·Filed 1984·Granted Aug 20, 1985·132 cites·3 claims
- 0398US4516993ACarbon particulates cleaning deviceNIPPON DENSO CO·Filed 1983·Granted May 14, 1985·141 cites·11 claims
- 0497US4570098ATemperature compensated stack of piezoelectric elementsNIPPON SOKEN·Filed 1984·Granted Feb 11, 1986·60 cites·21 claims
- 0597US4535589AExhaust gas cleaning device for internal combustion engineNIPPON SOKEN·Filed 1984·Granted Aug 20, 1985·96 cites·15 claims
- 0697US4505726AExhaust gas cleaning deviceNIPPON DENSO CO·Filed 1983·Granted Mar 19, 1985·112 cites·8 claims
- 0795US4987446AProcess unit cartridge for an electrophotographic apparatusRICOH KK·Filed 1989·Granted Jan 22, 1991·60 cites·7 claims
- 0895US4436538AFilter for cleaning exhaust gases from diesel engineNIPPON SOKEN·Filed 1982·Granted Mar 13, 1984·51 cites·7 claims
- 0994US4450682ACarbon particulates cleaning device for diesel engineNIPPON SOKEN·Filed 1983·Granted May 29, 1984·83 cites·11 claims
- 1094US4335574ACarbon particles removing deviceNIPPON SOKEN·Filed 1981·Granted Jun 22, 1982·82 cites·2 claims
- 1193US4523935AElectrical heater retained in a porous ceramic structureNIPPON SOKEN·Filed 1982·Granted Jun 18, 1985·67 cites·6 claims
- 1292US9550834B2Method for preparing glycan-hydrolyzed antibody, and homogeneous glycosylated antibodyTHE NOGUCHI INST·Filed 2015·Granted Jan 24, 2017·56 cites·11 claims
- 1392US4485622AExhaust gas cleaning device for internal combustion engineNIPPON SOKEN·Filed 1981·Granted Dec 4, 1984·74 cites·9 claims
- 1491US4838233APilot injection system for fuel injection pumpNIPPON DENSO CO·Filed 1988·Granted Jun 13, 1989·50 cites·7 claims
- 1590US5876600AElement exchange type filterDENSO CORP·Filed 1996·Granted Mar 2, 1999·94 cites·16 claims
- 1689US5902479AOil filter incorporating a drain valveDENSO CORP·Filed 1997·Granted May 11, 1999·57 cites·9 claims
- 1789US4404007AExhaust gas cleaning elementNIPPON SOKEN·Filed 1981·Granted Sep 13, 1983·80 cites·4 claims
- 1888US6495838B1Sample heating holder, method of observing a sample and charged particle beam apparatusHITACHI LTD·Filed 1999·Granted Dec 17, 2002·57 cites·12 claims
- 1988US4705003AApparatus for controlling electroexpansive actuator avoiding deterioration of polarizationNIPPON SOKEN·Filed 1985·Granted Nov 10, 1987·38 cites·13 claims
- 2087US9184524B2SolenoidDENSO CORP·Filed 2013·Granted Nov 10, 2015·13 cites·13 claims
- 2187US4381929AApparatus for adsorbing fuel vaporNIPPON SOKEN·Filed 1981·Granted May 3, 1983·53 cites·5 claims
- 2287US4363644AFilter for purifying exhaust gasNIPPON SOKEN·Filed 1981·Granted Dec 14, 1982·53 cites·6 claims
- 2386US4464185AExhaust gas filterNIPPON SOKEN·Filed 1982·Granted Aug 7, 1984·59 cites·4 claims
- 2483US5004945APiezoelectric type actuatorNIPPON DENSO CO·Filed 1989·Granted Apr 2, 1991·56 cites·14 claims
- 2583US4441899ADust collecting filterNIPPON SOKEN·Filed 1981·Granted Apr 10, 1984·37 cites·7 claims
- 2681US10184585B2Electromagnetic valveDENSO CORP·Filed 2016·Granted Jan 22, 2019·2 cites·10 claims
- 2781US5913095AImage forming apparatusRICOH KK·Filed 1997·Granted Jun 15, 1999·34 cites·14 claims
- 2880US4752712APiezoelectric laminate stackNIPPON SOKEN·Filed 1986·Granted Jun 21, 1988·40 cites·9 claims
- 2979US9343853B2SolenoidDENSO CORP·Filed 2015·Granted May 17, 2016·6 cites·15 claims
- 3077US6277600B1Trimeric chimera protein and collagen matrix containing chimera proteinTERUMO CORP·Filed 1999·Granted Aug 21, 2001·30 cites·27 claims
- 3177US5192867AElectron optical measurement apparatusHITACHI LTD·Filed 1991·Granted Mar 9, 1993·33 cites·5 claims
- 3273US5527501AProcess for producing piezoelectric ceramic sheet and dielectric ceramic sheetNIPPON SOKEN·Filed 1994·Granted Jun 18, 1996·27 cites·9 claims
- 3373US4386497AExhaust gas cleaning device for internal combustion engineNIPPON SOKEN·Filed 1981·Granted Jun 7, 1983·37 cites·12 claims
- 3473US4268303ADirect reduction process for producing reduced ironKOBE STEEL LTD·Filed 1979·Granted May 19, 1981·15 cites·7 claims
- 3570US5283026AMethod for molding fiber-reinforced composite materialKOBE STEEL LTD·Filed 1990·Granted Feb 1, 1994·34 cites·6 claims
- 3669US4945247AField emission electron gun systemHITACHI LTD·Filed 1989·Granted Jul 31, 1990·15 cites·6 claims
- 3768US5898177AElectron microscopeHITACHI LTD·Filed 1997·Granted Apr 27, 1999·20 cites·8 claims
- 3867US8512562B2Drain mechanism and fluid filter including drain mechanismOGAWA NOBUHIRO·Filed 2009·Granted Aug 20, 2013·3 cites·8 claims
- 3965US5059859ACharged particle beam generating apparatus of multi-stage acceleration typeHITACHI LTD·Filed 1990·Granted Oct 22, 1991·19 cites·33 claims
- 4065US4767967AHigh voltage generating deviceNIPPON SOKEN·Filed 1985·Granted Aug 30, 1988·21 cites·8 claims
- 4163US4528008ADust collecting filterNIPPON SOKEN·Filed 1984·Granted Jul 9, 1985·17 cites·7 claims
- 4263US4459805ACombustion burner apparatusNIPPON SOKEN·Filed 1981·Granted Jul 17, 1984·27 cites·9 claims
- 4362US12104070B2Composition and coating filmDAIKIN IND LTD·Filed 2019·Granted Oct 1, 2024·0 cites·7 claims
- 4460US8164058B2Specimen observation methodNAKAZAWA EIKO·Filed 2009·Granted Apr 24, 2012·0 cites·6 claims
- 4559US11279778B2Polydifluoroacetylene, method for producing polydifluoroacetylene, precursor polymer, molded article and powderDAIKIN IND LTD·Filed 2018·Granted Mar 22, 2022·0 cites·7 claims
- 4658US9447167B2Fibrinogen-producing transgenic silkwormSEKIGUCHI SATOSHI·Filed 2012·Granted Sep 20, 2016·2 cites·11 claims
- 4758US9067907B2Process for preparing fluorinated 1,3-dioxolan 2-oneKOH MEITEN·Filed 2009·Granted Jun 30, 2015·0 cites·4 claims
- 4858US7573030B2Specimen observation methodHITACHI HIGH TECH CORP·Filed 2007·Granted Aug 11, 2009·0 cites·3 claims
- 4958US4540535AMethod for producing a ceramic filter for cleaning exhaust gases from a diesel engineNIPPON SOKEN·Filed 1984·Granted Sep 10, 1985·12 cites·15 claims
- 5057US8410440B2Specimen observation methodNAKAZAWA EIKO·Filed 2012·Granted Apr 2, 2013·0 cites·2 claims
Showing the top 50 of 79 patent records by PatentIndex Score.
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