Inventor · disambiguated record
Naoya Shirasawa
Also filed as: SHIRASAWA NAOYA
3 granted patents·1 pending application·1 citations·filing 2017–2020
47Inventor score
Top patents by PatentIndex Score
4 records- 0177US10888906B2Method of manufacturing piercer plugNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted Jan 12, 2021·1 cites·2 claims
- 0257US12371765B2Seamless steel pipe suitable for use in sour environmentNIPPON STEEL CORP·Filed 2020·Granted Jul 29, 2025·0 cites·17 claims
- 0352US11214855B2Piercer plug and method of manufacturing the sameNIPPON STEEL CORP·Filed 2018·Granted Jan 4, 2022·0 cites·4 claims
- 0450US2021101194A1Piercer plugNIPPON STEEL CORP·Filed 2019·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →