Inventor · disambiguated record
Akio Sonobe
Also filed as: SONOBE AKIO
7 granted patents·2 pending applications·56 citations·filing 1992–2016
83Inventor score
Top patents by PatentIndex Score
9 records- 0192US10207328B2Alloy steel powder for powder metallurgy, and sintered bodyJFE STEEL CORP·Filed 2015·Granted Feb 19, 2019·8 cites·4 claims
- 0268US5279640AMethod of making iron-based powder mixtureKAWASAKI STEEL CO·Filed 1992·Granted Jan 18, 1994·22 cites·4 claims
- 0362US6918945B2Method for producing sponge iron, and reduced iron powder and method for production thereofJFE STEEL CORP·Filed 2002·Granted Jul 19, 2005·7 cites·21 claims
- 0459US6648941B2Iron-based mixed powder for powder metallurgy and iron-based sintered compactKAWASAKI STEEL CO·Filed 2002·Granted Nov 18, 2003·5 cites·20 claims
- 0558US5476534AIron-based powder mixture and methodKAWASAKI STEEL CO·Filed 1993·Granted Dec 19, 1995·14 cites·7 claims
- 0654US10774403B2Iron-based alloy powder for powder metallurgy, and sinter-forged memberJFE STEEL CORP·Filed 2015·Granted Sep 15, 2020·0 cites·4 claims
- 0749US10526254B2Iron-ion supply materialJFE STEEL CORP·Filed 2014·Granted Jan 7, 2020·0 cites·4 claims
- 0841US2018193911A1Method of producing mixed powder for powder metallurgy, method of producing sintered body, and sintered bodyJFE STEEL CORP·Filed 2016·Application pending·0 cites
- 0937US2005193862A1Process for producing sponge iron and reduced iron powder sponge iron and charging apparatusJFE STEEL CORP·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →