Inventor

OYAMA KAZUYUKI

JP3 patents

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

HENKEL CORP

1 patent

US6179934B1Jan 30, 2001

Aqueous phosphating composition and process for metal surfaces

HENKEL CORP18 citations82

NIHON PARKERIZING

1 patent

US5259937ANov 9, 1993

Process for forming colorless chromate coating film on bright aluminum wheel

NIHON PARKERIZING9 citations70

NEC CORP

1 patent

US6407654B1Jun 18, 2002

Electromagnetic relay, apparatus and method for making it

NEC CORP11 citations68