Inventor · disambiguated record
Hiroki Iwamatsu
Also filed as: IWAMATSU HIROKI
9 granted patents·3 pending applications·76 citations·filing 1997–2013
84Inventor score
Top patents by PatentIndex Score
12 records- 0178US5910470AGrease to be sealed in bearingNTN TOYO BEARING CO LTD·Filed 1997·Granted Jun 8, 1999·41 cites·8 claims
- 0274US7696139B2Grease composition for pivot assembly bearing and bearing for pivot assemblyMINEBEA CO LTD·Filed 2006·Granted Apr 13, 2010·2 cites·7 claims
- 0370US6432888B1Grease for rolling bearing and grease-sealed rolling bearingKOYO SEIKO CO·Filed 1997·Granted Aug 13, 2002·26 cites·14 claims
- 0466US8951945B2Rolling bearingYOSHIZAKI KOJI·Filed 2012·Granted Feb 10, 2015·2 cites·6 claims
- 0560US8741823B2Grease compositionIWAMATSU HIROKI·Filed 2012·Granted Jun 3, 2014·1 cites·2 claims
- 0659US10041540B2Grease composition and rolling deviceJTEKT CORP·Filed 2013·Granted Aug 7, 2018·1 cites·3 claims
- 0754US8044005B2Lubricant composition and sealed bearing thereofNTN TOYO BEARING CO LTD·Filed 2004·Granted Oct 25, 2011·3 cites·14 claims
- 0848US8993497B2Grease composition and bearingNIPPON GREASE CO LTD·Filed 2012·Granted Mar 31, 2015·0 cites·2 claims
- 0945US7491683B2Grease composition for rolling bearing and rolling bearing using the sameJTEKT CORP·Filed 2004·Granted Feb 17, 2009·0 cites·16 claims
- 1042US2015023622A1Grease composition and rolling deviceJTEKT CORP·Filed 2013·Application pending·0 cites
- 1141US2009029881A1Heat resistant lithium grease composition and a small motor reduced noise bearingOKAMURA SEIJI·Filed 2005·Application pending·0 cites
- 1240US2008305973A1Lithium Grease Composition Sealed in a Small Motor Bearing to Reduce NoiseIWAMATSU HIROKI·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →