Inventor

HIDAKA YASUYOSHI

JP27 patents

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

HIDAKA YASUYOSHI

NIPPON STEEL & SUMITOMO METAL CORP

Method of manufacturing piercer plug

Method for producing plug for piercing-rolling

Equipment system for producing piercing-rolling plug

Plug used in piercing machine

Plug for hot tube-making

Cr-containing austenitic alloy and method for producing the same

Chromium-containing austenitic alloy

Piercer plug and method of manufacturing the same

Seamless steel pipe for line pipe

Piercing plug and manufacturing method of piercing plug

Piercing plug

Method for regenerating a plug for use in a piercing machine

SUMITOMO METAL IND

Martensitic stainless steel having oxide scale layers

Martensitic stainless steel products

Manufacturing method and cleaning equipment for seamless tube

Process for producing stainless steel pipe

HIDAKA YASUYOSHI

Piercing and rolling plug, method of regenerating such piercing and rolling plug, and equipment line for regenerating such piercing and rolling plug

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

Process for producing seamless stainless steel pipe

SHIMODA KAZUHIRO

Antioxidant agent and process for producing metallic material

Lubricant composition for hot metal working and method of hot metal working using the same

Antioxidant agent and process for producing metallic material

HIGASHIDA YASUTO

Plug, piercing-rolling mill, and method of producing seamless tube by using the same

HIRASE NAOYA

Method for producing duplex stainless steel seamless pipe

NIPPON STEEL CORP

Piercer plug and method of manufacturing the same

IIDA SUMIO

Mandrel bar for high-alloy rolling, method for surface treating a mandrel bar, method for producing mandrel bar, and method for operating seamless pipe mill

NAKAIKE KOUJI

Production method of seamless pipe or tube, and oxidizing gas supply unit