Inventor · disambiguated record
Kazufumi Niwa
Also filed as: NIWA KAZUFUMI
3 granted patents·1 citations·filing 2004–2016
46Inventor score
Files withAISIN TAKAOKA LTD3
Top patents by PatentIndex Score
3 records- 0152US7134478B2Method of die casting spheroidal graphite cast ironAISIN TAKAOKA LTD·Filed 2004·Granted Nov 14, 2006·1 cites·2 claims
- 0240US10598437B2Hybrid metal melting furnaceAISIN TAKAOKA LTD·Filed 2016·Granted Mar 24, 2020·0 cites·6 claims
- 0334US10393437B2Melting material supply apparatusAISIN TAKAOKA LTD·Filed 2016·Granted Aug 27, 2019·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →