Inventor · disambiguated record
Takayuki Fukaya
Also filed as: FUKAYA TAKAYUKI
5 granted patents·1 pending application·38 citations·filing 1987–2020
76Inventor score
Top patents by PatentIndex Score
6 records- 0161US11486014B2Method for producing plated black heart malleable cast iron member, plated black heart malleable cast iron member, and pipe jointHITACHI METALS LTD·Filed 2018·Granted Nov 1, 2022·0 cites·16 claims
- 0256US11739401B2Black heart malleable cast-iron and method for manufacturing samePROTERIAL LTD·Filed 2018·Granted Aug 29, 2023·0 cites·11 claims
- 0352US4769212AProcess for producing metallic sintered partsHITACHI METALS LTD·Filed 1987·Granted Sep 6, 1988·13 cites·6 claims
- 0450US4913737ASintered metallic parts using extrusion processHITACHI METALS LTD·Filed 1988·Granted Apr 3, 1990·12 cites·18 claims
- 0543US5569334AStainless steel member for semiconductor fabrication equipment and surface treatment method thereforHITACHI METALS LTD·Filed 1993·Granted Oct 29, 1996·13 cites·11 claims
- 0643US2025084497A1Method for Producing Plated Black Heart Malleable Cast Iron Member, and Plated Black Heart Malleable Cast Iron MemberKUWANA METALS LTD·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →