Inventor · disambiguated record
Hiroshi Okajima
Also filed as: OKAJIMA HIROSHI
15 granted patents·1 pending application·199 citations·filing 1989–2019
93Inventor score
Top patents by PatentIndex Score
16 records- 0186US7175404B2Composite powder filling method and composite powder filling device, and composite powder molding method and composite powder molding deviceTOYOTA MOTOR CO LTD·Filed 2002·Granted Feb 13, 2007·39 cites·12 claims
- 0283US6903641B2Dust core and method for producing the sameTOYOTA MOTOR CO LTD·Filed 2002·Granted Jun 7, 2005·30 cites·26 claims
- 0378US5020282AGrinding tool and method of making the sameSANKYO RIKAGAKU CO·Filed 1989·Granted Jun 4, 1991·31 cites·7 claims
- 0473US6413327B1Nitride type, rare earth magnet materials and bonded magnets formed therefromHITACHI METALS LTD·Filed 1999·Granted Jul 2, 2002·27 cites·9 claims
- 0568US6537463B2Resin-bonded magnet, its product, and ferrite magnet powder and compound used thereforHITACHI METALS LTD·Filed 2000·Granted Mar 25, 2003·11 cites·17 claims
- 0666US5512080AFe-based alloy powder adapted for sintering, Fe-based sintered alloy having wear resistance, and process for producing the sameTOYOTA MOTOR CO LTD·Filed 1993·Granted Apr 30, 1996·14 cites·48 claims
- 0761US7083760B2Method of forming a powder compactTOYOTA MOTOR CO LTD·Filed 2001·Granted Aug 1, 2006·7 cites·20 claims
- 0856US5881357AMethod and apparatus for filling powderTOYOTA MOTOR CO LTD·Filed 1997·Granted Mar 9, 1999·21 cites·29 claims
- 0954US5489324AFe-based sintered alloy having wear resistanceTOYOTA MOTOR CO LTD·Filed 1995·Granted Feb 6, 1996·10 cites·13 claims
- 1053US7749298B2Iron-based sintered alloy and manufacturing method thereofTOYOTA MOTOR CO LTD·Filed 2004·Granted Jul 6, 2010·2 cites·14 claims
- 1148US2015135959A1Deoxidation apparatusTAKATSUKA MASAHIRO·Filed 2012·Application pending·0 cites
- 1246US10772184B2Ignition deviceDENSO CORP·Filed 2019·Granted Sep 8, 2020·0 cites·10 claims
- 1344US5503654AFe-based alloy powder and adapted for sintering, Fe-based sintered alloy having wear resistance, and process for producing the sameTOYOTA MOTOR CO LTD·Filed 1995·Granted Apr 2, 1996·6 cites·5 claims
- 1441US7459032B2Pressurizing forming process and pressurized-and-formed memberTOYOTA CHUO KENKYUSHO KK·Filed 2002·Granted Dec 2, 2008·0 cites·12 claims
- 1529US5761592AProcess for producing a sliding member and a process for producing a composite layer memberTOYOTA MOTOR CO LTD·Filed 1996·Granted Jun 2, 1998·0 cites·35 claims
- 1627US5064445AGrinding tool and method of making the sameSANKYO RIKAGAKU CO·Filed 1990·Granted Nov 12, 1991·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →