Inventor · disambiguated record
Koso Aoki
Also filed as: AOKI KOSO
27 granted patents·2 pending applications·445 citations·filing 1988–2012
97Inventor score
Files withTODA KOGYO CORP25AGENCY IND SCIENCE TECHN1HARADA SHIGENORI1SHIMOHATA YUSUKE1UEMOTO SHINJI1
Top patents by PatentIndex Score
29 records- 0184US5599627AMagnetic particles comprising magnetite core and process for producing the sameTODA KOGYO CORP·Filed 1994·Granted Feb 4, 1997·40 cites·9 claims
- 0283US6780555B2Black magnetic iron oxide particles and magnetic tonerTODA KOGYO CORP·Filed 2002·Granted Aug 24, 2004·27 cites·16 claims
- 0380US4963448APhotorecording element and liquid crystal cell comprising the sameAGENCY IND SCIENCE TECHN·Filed 1988·Granted Oct 16, 1990·53 cites·10 claims
- 0478US7144626B2Magnetic iron oxide particles and magnetic toner using the sameTODA KOGYO CORP·Filed 2005·Granted Dec 5, 2006·9 cites·5 claims
- 0577US5652060ASpherical magnetic particles for magnetic toner and process for producing the sameTODA KOGYO CORP·Filed 1996·Granted Jul 29, 1997·27 cites·15 claims
- 0676US6383637B1Black magnetic iron oxide particles for magnetic toner and process for producing the sameTODA KOGYO CORP·Filed 2000·Granted May 7, 2002·15 cites·18 claims
- 0775US5236783ASuperparamagnetic fine particles of iron oxide and magnetic recording media containing said particlesTODA KOGYO CORP·Filed 1991·Granted Aug 17, 1993·20 cites·4 claims
- 0874US5874019AMagnetic particles for magnetic toner and process for producing the sameTODA KOGYO CORP·Filed 1996·Granted Feb 23, 1999·23 cites·12 claims
- 0974US5368933ASuperparamagnetic fine particles of iron oxide and magnetic recording media containing said particlesTODA KOGYO CORP·Filed 1993·Granted Nov 29, 1994·27 cites·2 claims
- 1071US5688852AIron oxide particles and process for producing the sameTODA KOGYO CORP·Filed 1995·Granted Nov 18, 1997·24 cites·13 claims
- 1170US5648170ACoated granular magnetite particles and process for producing the sameTODA KOGYO CORP·Filed 1994·Granted Jul 15, 1997·20 cites·8 claims
- 1267US5512405AIron oxide particles and process for producing the sameTODA KOGYO CORP·Filed 1995·Granted Apr 30, 1996·15 cites·3 claims
- 1366US5843610AMagnetic particles for magentic toner and process for producing the sameTODA KOGYO CORP·Filed 1997·Granted Dec 1, 1998·17 cites·5 claims
- 1466US5449565AMagnetic iron oxide particles, a process for producing the same and a magnetic recording mediumTODA KOGYO CORP·Filed 1993·Granted Sep 12, 1995·23 cites·18 claims
- 1566US5389482AMagnetic particle powder included in magnetic toners for magnetic image character recognitionTODA KOGYO CORP·Filed 1992·Granted Feb 14, 1995·34 cites·6 claims
- 1665US9448500B2Magnetic iron oxide particles, magnetic carrier for electrophotographic developers and process for producing the same, and two-component system developerHARADA SHIGENORI·Filed 2012·Granted Sep 20, 2016·1 cites·10 claims
- 1764US5470660AIron oxide particles and process for producing the sameTODA KOGYO CORP·Filed 1993·Granted Nov 28, 1995·17 cites·9 claims
- 1859US6844067B2Black iron-based particles and black toner containing the sameTODA KOGYO CORP·Filed 2003·Granted Jan 18, 2005·6 cites·17 claims
- 1958US5858532AMagnetite particles, magnetic iron oxide particles, process for the production of the same and magnetic toner using the sameTODA KOGYO CORP·Filed 1997·Granted Jan 12, 1999·12 cites·17 claims
- 2056US7597958B2Black magnetic iron oxide particles having a specific dissolution of sulfur elementTODA KOGYO CORP·Filed 2008·Granted Oct 6, 2009·1 cites·5 claims
- 2154US6103437AMagnetic toner particles comprising magnetite particles containing siliconTODA KOGYO CORP·Filed 1998·Granted Aug 15, 2000·10 cites·3 claims
- 2250US5922464AIron oxide particlesTODA KOGYO CORP·Filed 1997·Granted Jul 13, 1999·7 cites·2 claims
- 2350US2005123756A1Black iron-based particles and black toner containing the sameTODA KOGYO CORP·Filed 2005·Application pending·0 cites
- 2448US5693690ARubber or resin compositionTODA KOGYO CORP·Filed 1996·Granted Dec 2, 1997·12 cites·13 claims
- 2546US9085673B2Aniline black having specific sulfur content, and resin composition and water-based and solvent-based dispersions using the aniline blackSHIMOHATA YUSUKE·Filed 2012·Granted Jul 21, 2015·0 cites·10 claims
- 2645US5578375AGranular magnetite particles and process for producing the sameTODA KOGYO CORP·Filed 1994·Granted Nov 26, 1996·5 cites·9 claims
- 2744US9285698B2Black magnetic iron oxide particles, magnetic carrier for electrophotographic developer and two-component developerUEMOTO SHINJI·Filed 2009·Granted Mar 15, 2016·0 cites·11 claims
- 2842US7572505B2Black magnetic iron oxide particles having high breakdown voltageTODA KOGYO CORP·Filed 2007·Granted Aug 11, 2009·0 cites·5 claims
- 2941US2006219133A1Colored resin particles, water-based dispersion containing the colored resin particles, and ink for ink-jet printing or color filterTODA KOGYO CORP·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →