Inventor

HASHIMURA MASAYUKI

JP31 patents

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

HASHIMURA MASAYUKI

NIPPON STEEL CORP

Steel wire for high-strength springs and method of producing the same

High toughness spring steel

Ceramics coated cemented-carbide tool with high-fracture resistance

High strength spring steel and process for producing same

High-strength spring steel wire

Steels for cold forging and process for producing the same

Steel excellent in forgeability and machinability

Superior in machinability and method of production of same

Heat-treated steel wire for high strength spring

NIPPON STEEL & SUMITOMO METAL CORP

Bearing steel and method for producing same

Steel for induction hardening with excellent fatigue properties

Case hardening steel with excellent fatigue properties

Steel for surface hardening for machine structural use and part for machine structural use

Hot forging use non-heat-treated steel and hot forged non-heat-treated steel part

Steel for machine structure use for surface hardening and steel part for machine structure use

Spring steel with excellent fatigue resistance and method of manufacturing the same

Spring steel and method for producing the same

HASHIMURA MASAYUKI

Case hardening steel and manufacturing method thereof

High strength spring-use heat treated steel

Method of production of steel superior in machinability

High strength steel wire for spring

High strength spring steel and steel wire

HITACHI LTD

System for connecting an incoming call to a selected one of a number of extensions

System for connecting an incoming call to a selected one of a number of extensions

System for connecting an incoming call to a selected one of a number of extensions

MIYANISHI KEI

Case hardening steel, carburized component, and manufacturing method of case hardening steel

Hot-working steel excellent in machinability and impact value

MIZUNO ATSUSHI

Steel for surface hardening for machine structural use and part for machine structural use

CHIDA TETSUSHI

Steel for nitriding and nitrided part

TERAMOTO SHINYA

Hot forging use non-heat-treated steel and hot forged non-heat-treated steel part

SAITOH HAJIME

Forging steel