Inventor · disambiguated record
Akiyasu Oota
Also filed as: OOTA AKIYASU
9 granted patents·1 pending application·144 citations·filing 1999–2002
89Inventor score
Files withSUMITOMO SPEC METALS10
Top patents by PatentIndex Score
10 records- 0192US6403024B1Hydrogen pulverizer for rare-earth alloy magnetic material powder using the pulverizer, and method for producing magnet using the pulverizerSUMITOMO SPEC METALS·Filed 2000·Granted Jun 11, 2002·39 cites·23 claims
- 0284US6474576B1Milling apparatus and milling methodSUMITOMO SPEC METALS·Filed 2000·Granted Nov 5, 2002·19 cites·7 claims
- 0384US6461565B2Method of pressing rare earth alloy magnetic powderSUMITOMO SPEC METALS·Filed 2001·Granted Oct 8, 2002·22 cites·12 claims
- 0483US6696015B2Method for producing rare-earth magnetSUMITOMO SPEC METALS·Filed 2001·Granted Feb 24, 2004·17 cites·11 claims
- 0574US6736343B2Milling apparatus and milling methodSUMITOMO SPEC METALS·Filed 2002·Granted May 18, 2004·10 cites·2 claims
- 0674US6464931B1Case for use in sintering process to produce rare-earth magnet, and method for producing rare-earth magnetSUMITOMO SPEC METALS·Filed 2000·Granted Oct 15, 2002·16 cites·16 claims
- 0757US6464386B1Method and apparatus for mixing powder with liquidSUMITOMO SPEC METALS·Filed 2000·Granted Oct 15, 2002·6 cites·13 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
- 0949US6743394B2Case for use in sintering process to produce rare-earth magnet, and method for producing rare-earth magnetSUMITOMO SPEC METALS·Filed 2002·Granted Jun 1, 2004·3 cites·11 claims
- 1038US2002197180A1Method of pressing rare earth alloy magnetic powderSUMITOMO SPEC METALS·Filed 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →