Patents/Inventors

Masaki Yoshikawa

TokyoJP7 patents

6 Patents

US125104432025
Make-up/break-out Evaluation Method for Threaded Joint for Oil Country Tubular Goods
JFE STEEL CORPORATION
0 cites
US123594022025
Work Vehicle
HITACHI CONSTRUCTION MACHINERY CO., Ltd.
0 cites
US121109922024
Threaded Joint of Pipe and Method for Connecting Same
JFE STEEL CORPORATION
0 cites
US120127252024
Loading Work Vehicle
HITACHI CONSTRUCTION MACHINERY CO., Ltd.
0 cites
US119057652024
Threaded Joint for Pipes
JFE STEEL CORPORATION
0 cites
US115496202023
Screw Joint for Oil Well Pipe
JFE STEEL CORPORATION
0 cites