Inventor

HIRA TAKAAKI

JP17 patents

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

HIRA TAKAAKI

KAWASAKI STEEL CO

Process and equipment for micro-pattern forming on roll surface, metal sheets for pressworking prepared by the roll, and method of preparing same

Steel pipe having high ductility and high strength and process for production thereof

Ultrafine-grain steel pipe and process for manufacturing the same

Method of producing an aluminum alloy sheet excelling in formability

Steel cord for radial tire

Steel sheet for automobiles having excellent impact resistance and method of manufacturing the steel sheet

Method for continuous annealing of a metal strip

Galvannealed steel sheets exhibiting excellent press die sliding property

Thin steel sheet having excellent rectangular drawability and production method thereof

Method of reducing slab in widthwise direction

Continuous annealing apparatus

HIGAI KAZUHIKO

Closed structure parts, method and press forming apparatus for manufacturing the same

Closed structure parts, method and press forming apparatus for manufacturing the same

Curvilineal closed structure parts and method for manufacturing the same

KYOCERA CORP

Multi-layer electronic component and method for manufacturing the same, multi-layer piezoelectric element

Laminated piezoelectric device

TOYOTA MOTOR CORP

Aluminum alloy sheet with improved formability and method of production