Inventor

YAMASAKI YUJI

JP69 patents

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

YAMASAKI YUJI

JFE STEEL CORP

Shearing die and press-forming method

Method for manufacturing pressed component

Method of forming a closed cross-sectional structure

Method and apparatus that forms a closed cross-sectional structure

Press-forming mold designing method and press-forming mold

Press die designing method using an index value obtained from two stress gradients in sheet thickness direction and gradient of surface stress distribution in direction

Press forming method, method for manufacturing press-formed component and method for determining preform shape used in these methods

Press forming method and method of manufacturing press formed product

Method of manufacturing pipe with different diameter along a longitudinal direction and die for forming

Method for manufacturing press formed product

Method for manufacturing metal component with three-dimensional edge and die sets for manufacturing the same

Press forming method and method of manufacturing pressed product as well as press forming apparatus

Method for forming blank and method for determining preforming shape

Method for evaluating bending crack, system for evaluating bending crack, and method for manufacturing press-formed component

Press-forming method, blank member for sheet-shaped material, intermediate formed product, method for manufacturing press-formed product, and press-formed product

Method for manufacturing pressed component, and shape correction die

Production method for pressed components, press forming device, and metal sheet for press forming

Production method for pressed components, press forming device, and metal sheet for press forming

Metal sheet for press forming, press forming device, and production method for pressed component

Apparatus that manufactures closed-structure part

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Semiconductor integrated circuit device and method of manufacturing the same

Semiconductor memory device and semiconductor integrated circuit device

Semiconductor integrated circuit

Semiconductor device

Semiconductor memory device

Semiconductor integrated circuit

Semiconductor device

Semiconductor device

Semiconductor storage device and method of testing the same

Semiconductor memory device

NIPPON KOKAN KK

Press-forming method of a sheet and apparatus therefor

Steel sheet and method for manufacturing the same

Methods for making an easy-opening can end

Steel sheet

Galvanized steel sheet, method for manufacturing the same, and method for manufacturing press-formed product

Easy opening can end and method for fabricating the same

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

SUMITOMO RUBBER IND

Electric conductive roller

Silicone rubber roller for electrophotography and method of producing the same

Method of producing a compressible layer for a printing blanket

Silicone rubber roller for electrophotography and method of producing the same

HIGAI KAZUHIKO

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

Method of manufacturing closed-structure part and apparatus for the same

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

Curvilineal closed structure parts and method for manufacturing the same

MATUSHITA ELECTRIC IND CO LTD

Semiconductor integrated circuit device and method for manufacturing the same

OGURA TAKESHI

Display device and backlight device

PANASONIC CORP

Semicondcutor integrated circuit including power generation block and power supply control block

YAMASAKI YUJI

Security management device, communication system, and access control method

TAMAI YOSHIKIYO

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