Patents/Inventors

Koji Akioka

TokyoJP3 patents

4 Patents

US124740102025
Oil-well Metal Pipe
VALLOUREC OIL AND GAS FRANCE
0 cites
US124590342025
Method for Manufacturing Riveted Joint, Riveted Joint, and Vehicle Component
NIPPON STEEL CORPORATION
0 cites
US124420852025
Surface-treated Steel Sheet
NIPPON STEEL CORPORATION
0 cites
US121632452024
Titanium Material and Coated Titanium Material
NIPPON STEEL CORPORATION
0 cites