Inventor · disambiguated record
Motohiro Miyasaka
Also filed as: MIYASAKA MOTOHIRO
15 granted patents·3 pending applications·358 citations·filing 1989–2020
94Inventor score
Files withHITACHI POWDERED METALS8HITACHI LTD4HITACHI POWDERED METAL CO LTD2HITACHI CONSTRUCTION MACHINERY1MIYASAKA MOTOHIRO1
Top patents by PatentIndex Score
18 records- 0196US5932946APorous bearing system having internal grooves and electric motor provided with the sameHITACHI POWDERED METALS·Filed 1998·Granted Aug 3, 1999·64 cites·6 claims
- 0291US5834870AOil impregnated porous bearing units and motors provided with sameHITACHI LTD·Filed 1997·Granted Nov 10, 1998·58 cites·26 claims
- 0389US7234871B2Sliding bearing for use under high loadHITACHI POWDERED METALS·Filed 2005·Granted Jun 26, 2007·14 cites·5 claims
- 0486US6574186B2Assembly method of motor using magnetic lubrication fluidHITACHI LTD·Filed 2000·Granted Jun 3, 2003·24 cites·4 claims
- 0580US5895119AComposite porous bearingHITACHI POWDERED METALS·Filed 1996·Granted Apr 20, 1999·28 cites·12 claims
- 0677US5810479AHydrodynamic thrust porous bearingHITACHI POWDERED METALS·Filed 1997·Granted Sep 22, 1998·30 cites·13 claims
- 0773US5645355ABearing unitHITACHI LTD·Filed 1996·Granted Jul 8, 1997·27 cites·6 claims
- 0870US4935056AWear-resistant copper-base sintered oil-containing bearing materialsHITACHI POWDERED METALS·Filed 1989·Granted Jun 19, 1990·17 cites·1 claims
- 0967US5746516APorous bearing system having internal grooves and electric motor provided with the sameHITACHI POWDERED METALS·Filed 1996·Granted May 5, 1998·25 cites·5 claims
- 1066US7553445B2Manufacturing processes of sintered alloy and oil-impregnated sintered bearingHITACHI POWDERED METALS·Filed 2004·Granted Jun 30, 2009·9 cites·14 claims
- 1158US5821655AMagnetic fluid bearing unit structure and motor having the sameHITACHI LTD·Filed 1997·Granted Oct 13, 1998·24 cites·16 claims
- 1256US7014367B2Oil-impregnated sintered sliding bearingHITACHI CONSTRUCTION MACHINERY·Filed 2003·Granted Mar 21, 2006·6 cites·2 claims
- 1354US6119346AComposite porous bearing and method of making sameHITACHI POWDERED METALS·Filed 1999·Granted Sep 19, 2000·13 cites·8 claims
- 1454US6049983AMethod for producing a sintered porous bearing and the sintered porous bearingHITACHI POWDERED METAL CO LTD·Filed 1997·Granted Apr 18, 2000·14 cites·3 claims
- 1553US6361737B1Method for producing a sintered porous bearing and the sintered porous bearingHITACHI POWDERED METAL CO LTD·Filed 2000·Granted Mar 26, 2002·5 cites·4 claims
- 1653US2021084886A1Wild animal repulsing apparatusOHTA SEIKI CO LTD·Filed 2020·Application pending·0 cites
- 1736US2002037118A1Composite type sintered porous bearingFiled 2001·Application pending·0 cites
- 1833US2006269179A1Oil-impregnated sintered bearingMIYASAKA MOTOHIRO·Filed 2004·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →