Patents
.us
Search
Marketplace
Patent My Idea
Patents
/
Inventors
Seiya Okada
Tokyo
JP
3 patents
3 Patents
US12371765
2025
Seamless Steel Pipe Suitable for Use in Sour Environment
NIPPON STEEL CORPORATION
0 cites
US11905580
2024
Seamless Steel Pipe Suitable for Use in Sour Environment
NIPPON STEEL CORPORATION
0 cites
US11898216
2024
Seamless Steel Pipe Heat-treatment-finishing-treatment Continuous Facility
NIPPON STEEL CORPORATION
0 cites