Inventor
HIRASE NAOYA
JP8 patents
⚠️ This page may combine multiple inventors who share the name “HIRASE NAOYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HIRASE NAOYA
3 patentsHIDAKA YASUYOSHI
2 patentsUS8082768B2Dec 27, 2011
Piercing and rolling plug, method of regenerating such piercing and rolling plug, and equipment line for regenerating such piercing and rolling plug
HIDAKA YASUYOSHI12 citations77
US8065900B2Nov 29, 2011
Method of manufacturing plug used to pierce and roll metal material, method of manufacturing metal pipe and plug used to pierce and roll metal material
HIDAKA YASUYOSHI2 citations59
SUMITOMO METAL IND
2 patentsUS7866199B2Jan 11, 2011
Method for manufacturing seamless steel pipe made of high Cr-high Ni alloy steel
SUMITOMO METAL IND4 citations61
US7814771B2Oct 19, 2010
Method for Cr-plating of mandrel bars, the mandrel bar, and process for producing seamless tubes using the method and the mandrel bar
SUMITOMO METAL IND1 citations41