Inventor · disambiguated record
Seiya Okada
Also filed as: OKADA SEIYA
4 granted patents·4 pending applications·0 citations·filing 2019–2023
52Inventor score
Technology areasC21D
Files withNIPPON STEEL CORP8
Top patents by PatentIndex Score
8 records- 0168US11174539B2Steel material suitable for use in sour environmentNIPPON STEEL CORP·Filed 2019·Granted Nov 16, 2021·0 cites·10 claims
- 0266US2025327154A1Fe-Cr-Ni ALLOY MATERIALNIPPON STEEL CORP·Filed 2023·Application pending·0 cites
- 0366US2025327160A1Duplex stainless steel materialNIPPON STEEL CORP·Filed 2023·Application pending·0 cites
- 0465US2025290184A1Duplex stainless steel materialNIPPON STEEL CORP·Filed 2022·Application pending·0 cites
- 0565US2025137110A1Duplex stainless steel pipeNIPPON STEEL CORP·Filed 2022·Application pending·0 cites
- 0663US11905580B2Seamless steel pipe suitable for use in sour environmentNIPPON STEEL CORP·Filed 2019·Granted Feb 20, 2024·0 cites·17 claims
- 0757US12371765B2Seamless steel pipe suitable for use in sour environmentNIPPON STEEL CORP·Filed 2020·Granted Jul 29, 2025·0 cites·17 claims
- 0853US11898216B2Seamless steel pipe heat-treatment-finishing-treatment continuous facilityNIPPON STEEL CORP·Filed 2019·Granted Feb 13, 2024·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →