Inventor

HAYASAKA TADAO

JP4 patents

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

HITACHI POWDERED METALS

3 patents

US4552590ANov 12, 1985

Ferro-sintered alloys

HITACHI POWDERED METALS21 citations80

US4422875ADec 27, 1983

Ferro-sintered alloys

HITACHI POWDERED METALS19 citations80

US4437890AMar 20, 1984

Method of the preparation of high density sintered alloys based on iron and copper

HITACHI POWDERED METALS15 citations69

IKENOUE YUTAKA

1 patent

US4588441AMay 13, 1986

Process for the preparation of sintered alloys for valve mechanism parts for internal combustion engines

IKENOUE YUTAKA27 citations88