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Inventor

OYAMA NOBUYUKI

JP6 patents
⚠️ This page may combine multiple inventors who share the name “OYAMA NOBUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

JFE STEEL CORP

2 patents

KAWASAKI STEEL CO

2 patents

MAKITA CORP

1 patent

NIPPON CHUZO K K

1 patent