Inventor

YAMANE AKIHITO

JP17 patents

⚠️ This page may combine multiple inventors who share the name “YAMANE AKIHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

YAMANE AKIHITO

YAMANE AKIHITO

Method for adjusting rolling positions of rolling rolls constituting three-roll mandrel mill and method for manufacturing seamless pipes or tubes

Mandrel mill and method for manufacturing seamless pipe or tube

Rolling stand

Multi-roll mandrel mill and method of producing seamless tubes

Mandrel mill and method for manufacturing seamless pipe or tube

Retract mandrel mill and method for rolling tube blank

Grooved roll for a reducer and a reducer

Mandrel mill and process for manufacturing a seamless pipe

SUMITOMO METAL IND

Steel pipe for embedding-expanding, and method of embedding-expanding oil well steel pipe

Manufacturing method and manufacturing apparatus of pipe, thickness deviation information derivation apparatus, and computer program

Method of manufacturing a seamless pipe

Manufacturing method and manufacturing apparatus of pipe, thickness deviation information derivation apparatus, and computer program

Method of producing seamless steel tubes

Steel pipe for embedding-expanding, and method of embedding-expanding oil well steel pipe

NIPPON STEEL & SUMITOMO METAL CORP

Manufacturing method of seamless metal pipe, mandrel mill, and auxiliary tool

Manufacturing method and manufacturing apparatus of seamless metal pipe

NIPPON STEEL CORP

Railway axle