Inventor

OTSUKA KENICHIRO

JP69 patents

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

OTSUKA KENICHIRO

NIPPON STEEL & SUMITOMO METAL CORP

Hot-stamping formed article, vehicle member, and manufacturing method of hot-stamping formed article

Hot-stamping formed article, structural member using the same, and manufacturing method of hot-stamping formed article

Panel-shaped formed product and method for producing panel-shaped formed product

Joining structure

Method for manufacturing press-formed product and press-forming apparatus

Manufacturing method of press-formed member and press forming apparatus

Vehicle body

Manufacturing method and manufacturing apparatus of press-formed body

Panel-like formed product, vehicle door, and method for manufacturing a panel-like formed product

Panel-like formed product and manufacturing method thereof

Method for manufacturing panel-like formed article

Production method for producing a press-formed product

Method and press-forming apparatus for manufacturing structural member for automotive body

Structural member

Door inner panel and method for manufacturing door inner panel

Press-forming apparatus, method for producing press-formed product using the forming apparatus, and press-formed product

Drawn body for vehicle structural member, manufacturing method for drawn body for vehicle structural member, and manufacturing apparatus for drawn body for vehicle structural member

Press-formed product and method for designing the same

Vehicle front portion structure

Joint structure body of members

Structural member for automotive body

NIPPON STEEL CORP

Structural member for automobiles

High-strength steel sheet and method for manufacturing same

Steel sheet and method for producing same

Formed article, structural member using the same, and manufacturing method of formed article

Panel-shaped formed product

Front pillar outer

Steel sheet and method for manufacturing same

Steel sheet and manufacturing method thereof

Press formed product, automobile structural member with the press formed product, and method for producing press formed product

Front pillar outer

Structural member for automobiles and method for producing the same

Burring processing method, method for manufacturing burring processed product, burring processing mold, burring processing device, and burring processed product

SUMITOMO ELECTRIC INDUSTRIES

Optical connector and assembly method thereof

Optical connector

Optical connector

Optical connector

Measurement system and measurement method

Optical fiber cable

Optical communication system

Optical connection structure, optical connector, and optical connecting method

Optical connection structure, optical connector, and optical connecting method

Optical fiber cable

ASAHI OPTICAL CO LTD

Pattern reading apparatus

Electrophotographic apparatus and sheet guide mechanism

Electrophotographic apparatus having original separation means

Electrophotographic apparatus

Color printer with shiftable laser unit

Transfer unit mounted on a pivotal upper cover

SEI OPTIFRONTIER CO LTD

Optical connector, detaching jig, and cap