Inventor

TAMAI YOSHIKIYO

JP23 patents

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

TAMAI YOSHIKIYO

JFE STEEL CORP

Lap fillet arc-welded joint

Crashworthiness energy absorption parts for automotive

Hot-press forming part and method of manufacturing same

Method of manufacturing hot press formed part, and hot press formed part

Lap-fillet arc welding joint and joint structure for press forming parts

Hot pressed part and method of manufacturing same

Steel sheet for hot press and method of manufacturing same, and hot-press forming part and method of manufacturing same

Automotive crashworthiness energy absorption part, and method for manufacturing automotive crashworthiness energy absorption part

Automotive crashworthiness energy absorption part and method for manufacturing the same

Automotive crashworthiness energy absorptive part and method for manufacturing same

Stiffening structure and stiffening method for automotive door panel part

Automotive frame part

Method of analyzing press forming

Method of sheet forming

Automotive crashworthiness energy absorptive part

Method for manufacturing hot press formed part and hot press formed part

KAWASAKI STEEL CO

Method and apparatus for continuous finishing hot-rolling a steel strip

Method of continuously hot rolling steel pieces

Hot-rolling method of steel piece joint during continuous hot-rolling

TAMAI YOSHIKIYO

Press forming method for metal sheet and frame part for automotive body manufactured thereby

Automobile frame component

TAKAGI SHUSAKU

Vehicle collision energy absorbing member excellent in energy absorbing performance and manufacturing method therefor

HIGAI KAZUHIKO

Curvilineal closed structure parts and method for manufacturing the same