Inventor · disambiguated record
Masayuki Maruta
Also filed as: MARUTA MASAYUKI
32 granted patents·1 pending application·565 citations·filing 1987–2002
97Inventor score
Top patents by PatentIndex Score
33 records- 0193US4767688ACharge controlling method and developers containing a charge-exchange control agent comprising organic boron compoundFUJI XEROX CO LTD·Filed 1987·Granted Aug 30, 1988·47 cites·18 claims
- 0291US5202215AMethod of producing a toner comprising silicone containing organic resin microparticlesNIPPON PAINT CO LTD·Filed 1991·Granted Apr 13, 1993·65 cites·13 claims
- 0390US5655180AToner cartridge with a rotary element which is attachable to and detachable from a developing apparatusKAO CORP·Filed 1995·Granted Aug 5, 1997·52 cites·7 claims
- 0484US5034432APowder coatingsNIPPON PAINT CO LTD·Filed 1989·Granted Jul 23, 1991·39 cites·5 claims
- 0583US6117607AFull color toner for nonmagnetic one-component developmentKAO CORP·Filed 1997·Granted Sep 12, 2000·35 cites·7 claims
- 0682US6890695B2Toner for electrophotographyKAO CORP·Filed 2002·Granted May 10, 2005·19 cites·11 claims
- 0782US6864030B2TonerKAO CORP·Filed 2002·Granted Mar 8, 2005·19 cites·13 claims
- 0882US5384226AProcess for producing tonerNIPPON PAINT CO LTD·Filed 1991·Granted Jan 24, 1995·41 cites·2 claims
- 0974US6121408APowder coatingKAO CORP·Filed 1998·Granted Sep 19, 2000·32 cites·7 claims
- 1073US5858596ADeveloper composition for electrostatic latent imagesKAO CORP·Filed 1996·Granted Jan 12, 1999·23 cites·15 claims
- 1172US6207768B1Combining differently colored powder coatings which heat-cure to homogeneous hueKAO CORP·Filed 1997·Granted Mar 27, 2001·34 cites·6 claims
- 1271US5955152AElectrostatic powder coating methodKAO CORP·Filed 1997·Granted Sep 21, 1999·20 cites·11 claims
- 1368US5683845APositively chargeable toner for nonmagnetic one-component developing methodKAO CORP·Filed 1996·Granted Nov 4, 1997·19 cites·10 claims
- 1462US6538074B1Combination of powder coatings of different colors heat cured to homogeneous hueNIPPON PAINT CO LTD·Filed 2000·Granted Mar 25, 2003·4 cites·8 claims
- 1561US6723822B2Crystalline polyesterKAO CORP·Filed 2002·Granted Apr 20, 2004·7 cites·5 claims
- 1659US6288166B1Binder resin for toner and positively chargeable toner containing the sameKAO CORP·Filed 1994·Granted Sep 11, 2001·11 cites·10 claims
- 1757US6936393B2Catalyst for preparing polyester for tonerKAO CORP·Filed 2002·Granted Aug 30, 2005·2 cites·14 claims
- 1857US5190844AProduction of surface-modified organic particlesNIPPON PAINT CO LTD·Filed 1991·Granted Mar 2, 1993·11 cites·16 claims
- 1955US6946202B1Powder coatingNIPPON PAINT CO LTD·Filed 1997·Granted Sep 20, 2005·16 cites·26 claims
- 2052US5124226ADispersion-polymerization process for producing a toner containing a pigment dispersed thereinNIPPON PAINT CO LTD·Filed 1990·Granted Jun 23, 1992·9 cites·6 claims
- 2150US5660959AToner for color electrophotography and fixing method using the sameKAO CORP·Filed 1995·Granted Aug 26, 1997·9 cites·13 claims
- 2246US5532096AElectrophotographic carrier and production process thereforKAO CORP·Filed 1994·Granted Jul 2, 1996·6 cites·7 claims
- 2346US2003105244A1Powder coatingNIPPON PAINT CO LTD·Filed 2002·Application pending·0 cites
- 2445US5712074AToner for developing electrostatic latent imageKAO CORP·Filed 1997·Granted Jan 27, 1998·8 cites·9 claims
- 2544US5637430ANonmagnetic one-component tonerKAO CORP·Filed 1996·Granted Jun 10, 1997·12 cites·6 claims
- 2643US5503954ANonmagnetic one-component toner and method for producing the sameKAO CORP·Filed 1994·Granted Apr 2, 1996·6 cites·6 claims
- 2741US6984601B2Preparing condensation polymerization resin with catalyst for tonerKAO CORP·Filed 2002·Granted Jan 10, 2006·1 cites·36 claims
- 2839US5714294AToner for electrophotography and reinforcing agent for said tonerKAO CORP·Filed 1994·Granted Feb 3, 1998·4 cites·28 claims
- 2938US6202945B1Method and apparatus for electrostatic powder coatingKAO CORP·Filed 1998·Granted Mar 20, 2001·9 cites·2 claims
- 3032US4968576AResinous microparticles useful in powdery toner for electrophotographyNIPPON PAINT CO LTD·Filed 1989·Granted Nov 6, 1990·2 cites·4 claims
- 3131US5886100AThermosetting coating compositionKAO CORP·Filed 1997·Granted Mar 23, 1999·1 cites·14 claims
- 3230US5894989AElectrostatic powder coating gunKAO CORP·Filed 1997·Granted Apr 20, 1999·0 cites·16 claims
- 3330US5811158AMethod and apparatus for electrostatic powder coatingKAO CORP·Filed 1997·Granted Sep 22, 1998·2 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Masayuki Maruta files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →