Patents/Inventors

Yusaku Tomio

TokyoJP8 patents

8 Patents

US124287122025
Martensitic Stainless Steel Material
NIPPON STEEL CORPORATION
0 cites
US123851182025
Duplex Stainless Seamless Steel Pipe and Method for Producing Duplex Stainless Seamless Steel Pipe
NIPPON STEEL CORPORATION
0 cites
US123717652025
Seamless Steel Pipe Suitable for Use in Sour Environment
NIPPON STEEL CORPORATION
0 cites
US122411482025
Alloy Material and Oil-well Seamless Pipe
NIPPON STEEL CORPORATION
0 cites
US120438852024
Seamless Steel Pipe and Method for Producing the Same
NIPPON STEEL CORPORATION
0 cites
US119707592024
Martensitic Stainless Seamless Steel Pipe
NIPPON STEEL CORPORATION
0 cites
US119652322024
Martensitic Stainless Seamless Steel Pipe
NIPPON STEEL CORPORATION
0 cites
US118347252023
Martensitic Stainless Steel Material
NIPPON STEEL CORPORATION
0 cites