Inventor

MIYANISHI KEI

JP22 patents

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

MIYANISHI KEI

NIPPON STEEL & SUMITOMO METAL CORP

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

Steel for induction hardening roughly shaped material for induction hardening

Steel wire rod or steel bar having excellent cold forgeability

Steel for induction hardening

Steel for induction hardening

Steel for induction hardening

MIYANISHI KEI

Carburized steel part

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

Hot-working steel excellent in machinability and impact value

Steel material for hardening

AISO TOSHIHARU

Cutting method of steel for machine structural use

Steel for machine structure exhibiting excellent machinability

NIPPON STEEL CORP

Bearing steel component, and steel bar for bearing steel component

Steel material and component

MIZUNO ATSUSHI

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

AISIN AW CO

Steel component, gear component, and producing method for steel component

HASHIMURA MASAYUKI

Case hardening steel and manufacturing method thereof

TERAMOTO SHINYA

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

KUBOTA MANABU

Steel for induction hardening, roughly shaped material for induction hardening, producing method thereof, and induction hardening steel part

KOMATSU MFG CO LTD

Tracked undercarriage component, and method for producing the same