Inventor · disambiguated record
Masatoshi Maruyama
Also filed as: MARUYAMA MASATOSHI
16 granted patents·5 pending applications·545 citations·filing 1986–2025
94Inventor score
Files withDENSO CORP4NIPPON CARBIDE KOGYO KK4CASIO COMPUTER CO LTD3MARUYAMA MASATOSHI3SHIMOMURA OSAMU3
Top patents by PatentIndex Score
21 records- 0196US4996127AToner for developing an electrostatically charged imageNIPPON CARBIDE KOGYO KK·Filed 1988·Granted Feb 26, 1991·217 cites·20 claims
- 0295US8418438B2Exhaust gas purifying device for internal combustion engineSHIMOMURA OSAMU·Filed 2010·Granted Apr 16, 2013·21 cites·6 claims
- 0394US5128724ADeveloper restoring unit in an image forming apparatusCASIO COMPUTER CO LTD·Filed 1989·Granted Jul 7, 1992·58 cites·32 claims
- 0494US4797339AToner for developing electrostatic imagesNIPPON CARBIDE KOYO KABUSHIKI·Filed 1986·Granted Jan 10, 1989·172 cites·19 claims
- 0584US9297287B2Exhaust gas control apparatus and control method for exhaust gas control apparatusHIROTA SHINYA·Filed 2011·Granted Mar 29, 2016·7 cites·24 claims
- 0680US8603422B2Gas separation and recovery apparatus and gas separation and recovery methodMARUYAMA MASATOSHI·Filed 2012·Granted Dec 10, 2013·7 cites·8 claims
- 0780US8209966B2Exhaust emission control device for internal combustionSAKATA MASAKAZU·Filed 2009·Granted Jul 3, 2012·15 cites·8 claims
- 0872US9407805B2Electronic device with a cover for imagingCASIO COMPUTER CO LTD·Filed 2013·Granted Aug 2, 2016·2 cites·11 claims
- 0970US2025387939A1Medium processing deviceCASIO COMPUTER CO LTD·Filed 2025·Application pending·0 cites
- 1064US8670916B2Fuel injection system for internal combustion engineMARUYAMA MASATOSHI·Filed 2012·Granted Mar 11, 2014·2 cites·4 claims
- 1164US5618648AToner binder, toner, electrophotographic method and apparatus thereforFUJITSU LTD·Filed 1995·Granted Apr 8, 1997·17 cites·23 claims
- 1263US8176730B2Exhaust gas purification device of internal combustion engineSHIMOMURA OSAMU·Filed 2009·Granted May 15, 2012·6 cites·16 claims
- 1354US5591556AToners for developing electrostatic imageNIPPON CARBIDE KOGYO KK·Filed 1994·Granted Jan 7, 1997·10 cites·9 claims
- 1452US5695899AColored toner for developing electrostatic imagesNIPPON CARBIDE KOGYO KK·Filed 1997·Granted Dec 9, 1997·9 cites·12 claims
- 1547US2008155973A1Exhaust emission control device with additive injectorDENSO CORP·Filed 2007·Application pending·0 cites
- 1644US2010122525A1Exhaust purification control device and exhaust purification system of internal combustion engineDENSO CORP·Filed 2009·Application pending·0 cites
- 1743US8201397B2Exhaust gas purification device of internal combustion engineSHIMOMURA OSAMU·Filed 2009·Granted Jun 19, 2012·0 cites·17 claims
- 1843US2009120073A1Exhaust gas purifying apparatus for internal combustion engineDENSO CORP·Filed 2008·Application pending·0 cites
- 1943US2009301068A1Exhaust-gas purification apparatus and method for purifying exhaust gasDENSO CORP·Filed 2009·Application pending·0 cites
- 2033US8283097B2Process for producing toner for electrostatic charge image development toner for electrostatic charge image developmentMARUYAMA MASATOSHI·Filed 2005·Granted Oct 9, 2012·0 cites·11 claims
- 2132US5683849AColored toner for developing electrostatic imagesNIPPON CARBIDE KOGYO KK·Filed 1996·Granted Nov 4, 1997·2 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →