Inventor

SAKATA KEI

JP38 patents

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

SAKATA KEI

KAWASAKI STEEL CO

High tensile hot-dip zinc-coated steel plate excellent in ductility and method for production thereof

Method for producing hot-dip galvanized steel sheet having high strength and also being excellent in formability and galvanizing property

High strength thin steel sheet, high strength alloyed hot-dip zinc-coated steel sheet, and method for producing them

High strength steel sheet adapted for press forming and method of producing the same

High-strength cold-rolled steel sheet excelling in deep drawability and method of producing the same

High-strength high-workability cold rolled steel sheet having excellent impact resistance

Cold-rolled steel sheet having ultrafine grain structure and method for manufacturing the same

Hot rolled steel sheets and method of producing the same

Method for manufacturing a high-formable, high-strength cold-rolled steel sheet excellent in resistance to secondary working embrittlement

High strength cold rolled steel sheet having excellent non-aging property at room temperature and suitable for drawing and method of producing the same

Cold rolled steel sheet exhibiting excellent press workability and method of manufacturing the same

Cold-rolled high-tension steel sheet having superior deep drawability and method thereof

Production of a base steel sheet to be surface-treated which is to produce no stretcher strain

Method of manufacturing a cold-rolled steel sheet having a good deep drawability

Thick cold rolled steel sheet excellent in deep drawability and method of manufacturing the same

High-strength hot dip galvannealed steel sheets having excellent plating properties and method of producing the same

Thin steel sheet having excellent rectangular drawability and production method thereof

Method of manufacturing a low-alloy ultra-low-carbon cold anisotropy rolled steel sheet exhibiting an excellent resistance to fabrication embrittlement and small internal anisotropy

Galvanized high-strength steel sheet having low yield ratio and method of producing the same

Hot rolled steel sheet having high resistances against secondary-work embrittlement and brazing embrittlement and adapted for ultra-deep drawing and a method for producing the same

JFE STEEL CORP

Hot rolled steel plate and cold rolled steel plate being excellent in strain aging hardening characteristics

High strength hot rolled steel sheet and method for manufacturing the same

Hot-dip galvanized hot-rolled and cold-rolled steel sheets excellent in strain age hardening property

High-ductility steel sheet excellent in press formability and strain age hardenability, and method for manufacturing the same

Methods of manufacturing hot-dip galvanized hot-rolled and cold-rolled steel sheets excellent in strain age hardening property

High tensile cold-rolled steel sheet excellent in ductility and in strain aging hardening properties, and method for producing the same

Method for electric resistance welded steel tube

High tensile hot rolled steel sheet excellent in shape freezing property and endurance fatigue characteristics after forming

High tensile hot-rolled steel sheet excellent in resistance to scuff on mold and in fatigue characteristics

High-tensile strength welded steel tube for structural parts of automobiles and method of producing the same

High tensile hot-rolled steel sheet having excellent strain aging hardening properties and method for producing the same

Steel pipe with good magnetic properties and method of producing the same

WELFIDE CORP

Imidazole derivatives

DUPLO SEIZO KK

Double-feed prevention device in paper feeding apparatus

TOYODA SHUNSUKE

Steel for structural part of automobile and method for producing the same

SAKATA KEI

Apparatus and method for sealing paper with paste

KENMOCHI KAZUHITO

Method of manufacturing electric resistance welding pipes having excellent characterization of welded seams

YAMAZAKI YOSHIO

Seamless expandable oil country tubular goods and manufacturing method thereof