Inventor · disambiguated record
Toshiyuki Hakata
Also filed as: HAKATA TOSHIYUKI
17 granted patents·4 pending applications·186 citations·filing 1985–2015
94Inventor score
Top patents by PatentIndex Score
21 records- 0181US7670676B2Pharmaceutical raw materialTODA KOGYO CORP·Filed 2006·Granted Mar 2, 2010·9 cites·9 claims
- 0277US9127168B2Magnetic iron oxide fine particles, and magnetic particle-containing water dispersion and process for producing the sameTODA KOGYO CORP·Filed 2015·Granted Sep 8, 2015·1 cites·3 claims
- 0377US6465390B1Porous composite particles and process for producing the sameTODA KOGYO CORP·Filed 2000·Granted Oct 15, 2002·20 cites·14 claims
- 0477US5108862AComposite carrier particles for electrophotography and process for producing the sameTODA KOGYO CORP·Filed 1990·Granted Apr 28, 1992·24 cites·13 claims
- 0568US6459012B1Method for treating organohalogen compound-containing soil or ashTODA KOGYO CORP·Filed 2001·Granted Oct 1, 2002·12 cites·13 claims
- 0666US6106987AMagnetic particles and magnetic carrier for electrophotographic developerTODA KOGYO CORP·Filed 1999·Granted Aug 22, 2000·17 cites·8 claims
- 0764US6506531B1Magnetic carrierCANON KK·Filed 1999·Granted Jan 14, 2003·16 cites·42 claims
- 0861US5731085ASpherical magnetic composite particlesTODA KOGYO CORP·Filed 1994·Granted Mar 24, 1998·17 cites·8 claims
- 0959US6017667ASpherical-like composite particles and electrophotographic magnetic carrierTODA KOGYO CORP·Filed 1998·Granted Jan 25, 2000·13 cites·21 claims
- 1052US6042982AElectrophotographic magnetic carrier and process for producing the sameTODA KOGYO CORP·Filed 1998·Granted Mar 28, 2000·10 cites·20 claims
- 1152US2013184389A1Resin composition for pavement, and asphalt composition for pavement and process for producing the sameHAKATA TOSHIYUKI·Filed 2008·Application pending·0 cites
- 1251US5118587AMagnetic particles used for electrostatic latent image developer and process for producing the sameTODA KOGYO CORP·Filed 1990·Granted Jun 2, 1992·9 cites·4 claims
- 1350US5654120AMagnetic carrier for electrophotographyTODA KOGYO CORP·Filed 1995·Granted Aug 5, 1997·11 cites·16 claims
- 1449US4654386AKetene dimer-acrylamide polymer aqueous dispersionDIC HERCULES CHEMICALS INC·Filed 1985·Granted Mar 31, 1987·12 cites·14 claims
- 1549US2012269896A1Magnetic iron oxide fine particles, and magnetic particle-containing water dispersion and process for producing the sameHAKATA TOSHIYUKI·Filed 2010·Application pending·0 cites
- 1648US6087057AMagnetic particles and magnetic carrier for electrophotographic developerTODA KOGYO CORP·Filed 1999·Granted Jul 11, 2000·8 cites·7 claims
- 1743US7863353B2Paving resin composition, paving asphalt composition, and method for producing paving asphalt compositionTODA KOGYO CORP·Filed 2004·Granted Jan 4, 2011·1 cites·10 claims
- 1840US2006097232A1Magneto rheological fluidTODA KOGYO CORP·Filed 2005·Application pending·0 cites
- 1939US2012196185A1Positive electrode active substance for non-aqueous electrolyte secondary batteries, and non-aqueous electrolyte secondary batteryKONO YOSHITERU·Filed 2010·Application pending·0 cites
- 2038US6485877B2Magnetic particles and magnetic carrier for electrophotographic developerTODA KOGYO CORP·Filed 1999·Granted Nov 26, 2002·5 cites·18 claims
- 2125US5079303ASurface treatment agent for paperDIC HERCULES CHEMICALS INC·Filed 1989·Granted Jan 7, 1992·1 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when Toshiyuki Hakata 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 →