Inventor · disambiguated record
Shuhei Okumura
Also filed as: OKUMURA SHUHEI
11 granted patents·3 pending applications·156 citations·filing 1999–2013
91Inventor score
Top patents by PatentIndex Score
14 records- 0190US6491765B2Rare earth magnet and method for manufacturing the sameSUMITOMO SPEC METALS·Filed 2001·Granted Dec 10, 2002·31 cites·17 claims
- 0286US6537385B2Rare earth magnet and method for manufacturing the sameSUMITOMO SPEC METALS·Filed 2002·Granted Mar 25, 2003·22 cites·11 claims
- 0384US6461565B2Method of pressing rare earth alloy magnetic powderSUMITOMO SPEC METALS·Filed 2001·Granted Oct 8, 2002·22 cites·12 claims
- 0483US6602352B2Method for manufacturing rare earth magnet and powder compacting apparatusSUMITOMO SPEC METALS·Filed 2001·Granted Aug 5, 2003·13 cites·28 claims
- 0579US7014440B2Method of manufacturing rare earth magnet and powder compacting apparatusNEOMAX CO LTD·Filed 2003·Granted Mar 21, 2006·10 cites·9 claims
- 0679US6481993B1Process and apparatus for supplying rare earth metal-based alloy powderSUMITOMO SPEC METALS·Filed 2000·Granted Nov 19, 2002·17 cites·5 claims
- 0779US6299832B1Process and apparatus for supplying rare earth metal-based alloy powderSUMITOMO SPEC METALS·Filed 1999·Granted Oct 9, 2001·16 cites·26 claims
- 0874US7045092B2Method for press molding rare earth alloy powder and method for producing sintered object of rare earth alloyNEOMAX CO LTD·Filed 2003·Granted May 16, 2006·15 cites·7 claims
- 0956US6779995B2Process and apparatus for supplying rare earth metal-based alloy powderNEOMAX CO LTD·Filed 2002·Granted Aug 24, 2004·2 cites·3 claims
- 1046US7025930B2Process for handling powder green compacts, and rare earth metal-based magnetNEOMAX CO LTD·Filed 2003·Granted Apr 11, 2006·2 cites·1 claims
- 1145US2015010460A1Method of producing carbon material for lithium ion secondary battery negative electrode, mixture for lithium ion secondary battery negative electrode, lithium ion secondary battery negative electrode, and lithium ion secondary batterySUMITOMO BAKELITE CO·Filed 2013·Application pending·0 cites
- 1241US2003084964A1Rare earth magnet and method for manufacturing the sameSUMITOMO SPEC METALS·Filed 2002·Application pending·0 cites
- 1340US6537488B1Process for handling powder green compacts and rare earth metal-based magnetSUMITOMO SPEC METALS·Filed 1999·Granted Mar 25, 2003·6 cites·16 claims
- 1438US2002197180A1Method of pressing rare earth alloy magnetic powderSUMITOMO SPEC METALS·Filed 2002·Application pending·0 cites
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