Inventor · disambiguated record
Nobuaki Komatsubara
Also filed as: KOMATSUBARA NOBUAKI
3 granted patents·1 pending application·0 citations·filing 2019–2020
39Inventor score
Technology areasC21D
Files withNIPPON STEEL CORP4
Top patents by PatentIndex Score
4 records- 0163US11905580B2Seamless steel pipe suitable for use in sour environmentNIPPON STEEL CORP·Filed 2019·Granted Feb 20, 2024·0 cites·17 claims
- 0259US11891680B2Steel material suitable for use in sour environmentNIPPON STEEL CORP·Filed 2020·Granted Feb 6, 2024·0 cites·10 claims
- 0357US12371765B2Seamless steel pipe suitable for use in sour environmentNIPPON STEEL CORP·Filed 2020·Granted Jul 29, 2025·0 cites·17 claims
- 0451US2022098712A1Steel material suitable for use in sour environmentNIPPON STEEL CORP·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →