Inventor

TOMIZAWA ATSUSHI

JP34 patents

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

TOMIZAWA ATSUSHI

TOMIZAWA ATSUSHI

Method for three-dimensionally bending workpiece and bent product

Three-dimensionally bending machine, bending-equipment line, and bent product

Method of manufacturing a bent product and an apparatus and a continuous line for manufacturing the same

Method and apparatus for manufacturing a bent product

Hollow member and an apparatus and method for its manufacture

Method and apparatus for manufacturing a bent member

Bent member and an apparatus and method for its manufacture

Hollow member

NIPPON STEEL & SUMITOMO METAL CORP

Method for manufacturing a worked member using an induction heating coil

Joining structure for member in vehicle body

Manufacturing method for bent member and hot-bending apparatus for steel material

Method for manufacturing a bent member

Method for manufacturing bent member, and hot-bending apparatus for steel material

Method and apparatus for manufacturing a bent product

High frequency induction heating apparatus and processing apparatus

Camshaft-manufacturing method and gear shaft-manufacturing method

SUMITOMO METAL IND

Profile mother pipe for hydraulic bulging, hydraulic bulging apparatus using the same, hydraulic bulging method, and hydraulic bulged product

Variable-crown roll

Cold rolling method for a metal strip and a mill array

Profile element pipe for hydraulic bulging, hydraulic bulging device using the element pipe, hydraulic bulging method using the element pipe, and hydraulically bulged product

Variable-crown roll

YOSHIDA MICHITAKA

Strength member for an automobile body, front side member, and side structure for an automobile body

Strength member for an automobile body, front side member, and side structure for an automobile body

Strength member for an automobile body, front side member, and side structure for an automobile body

KUWAYAMA SHINJIRO

Bending apparatus

Bending apparatus

OKADA NOBUHIRO

Method and apparatus for manufacturing a bent member

Induction heating coil, and an apparatus and method for manufacturing a worked member

TOYOTA TEKKO KK

Shock absorbing member for vehicle

MITSUBISHI HEAVY IND LTD

Method for shining metal sheet surfaces and method for cold-rolling metallic materials

NAKAMURA TOYOMITSU

Bent metal member and a method for its manufacture

ABE SHOICHI

Manufacturing method for metal member with through hole

OKAHISA MANABU

Positioning apparatus, working system, and hot working apparatus

TOKI TAMOTSU

Heat treated galvannealed steel material and a method for its manufacture