Inventor

KOZAWA SHUJI

JP17 patents

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

KOZAWA SHUJI

NIPPON STEEL CORP

Steel wire

Rolled wire rod for spring steel

Damper spring

Valve spring

NIPPON STEEL & SUMITOMO METAL CORP

Carburized steel part having excellent low cycle bending fatigue strength

Spring steel

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

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

KOZAWA SHUJI

Steel for induction hardening and induction hardened steel part

Carbonitrided induction hardened steel part superior in surface fatigue strength at high temperature and method of production of same

AISIN AW CO

Heat treatment method of steel components, steel components and manufacture method of steel components

OBAYASHI KOJI

Gears and its process of manufacture

MIZUNO ATSUSHI

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

HASHIMURA MASAYUKI

Case hardening steel and manufacturing method thereof

TANIGUCHI TAKAO

Carburized and induction-hardened component

MIYANISHI KEI

Steel material for hardening

AISO TOSHIHARU

Steel for machine structure exhibiting excellent machinability