Inventor · disambiguated record
Koki Tokuhara
Also filed as: TOKUHARA KOKI
9 granted patents·1 pending application·171 citations·filing 1993–2002
90Inventor score
Top patents by PatentIndex Score
10 records- 0184US6461565B2Method of pressing rare earth alloy magnetic powderSUMITOMO SPEC METALS·Filed 2001·Granted Oct 8, 2002·22 cites·12 claims
- 0283US6696015B2Method for producing rare-earth magnetSUMITOMO SPEC METALS·Filed 2001·Granted Feb 24, 2004·17 cites·11 claims
- 0383US5788782AR-FE-B permanent magnet materials and process of producing the sameSUMITOMO SPEC METALS·Filed 1995·Granted Aug 4, 1998·39 cites·38 claims
- 0478US6331214B1Monolithically bonded construct of rare-earth magnet and metal material and method for bonding sameMEIDENSHA ELECTRIC MFG CO LTD·Filed 1998·Granted Dec 18, 2001·41 cites·20 claims
- 0572US7056393B2Method of making sintered compact for rare earth magnetNEOMAX CO LTD·Filed 2002·Granted Jun 6, 2006·13 cites·10 claims
- 0660US5387291AProcess for producing alloy powder material for R-Fe-B permanent magnets and alloy powder for adjusting the composition thereforSUMITOMO SPEC METALS·Filed 1993·Granted Feb 7, 1995·16 cites·19 claims
- 0758US6511631B2Powder compacting apparatus and method of producing a rare-earth magnet using the sameSUMITOMO SPEC METALS·Filed 2001·Granted Jan 28, 2003·6 cites·8 claims
- 0851US6247660B1Process for hydrogen-pulverizing a rare earth metal-based magnetic material, and hydrogen-pulverizing caseSUMITOMO SPEC METALS·Filed 1999·Granted Jun 19, 2001·12 cites·5 claims
- 0943US6969244B2Powder compacting apparatus and method of producing a rare-earth magnet using the sameNEOMAX CO LTD·Filed 2002·Granted Nov 29, 2005·5 cites·14 claims
- 1038US2002197180A1Method of pressing rare earth alloy magnetic powderSUMITOMO SPEC METALS·Filed 2002·Application pending·0 cites
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