Inventor

TSUKADA MASAKAZU

JP2 patents

Patents

2 patents

US4411964AOct 25, 1983

Composite coating steel sheets having good corrosion resistance paintability and corrosion resistance after paint coating

NIPPON KOKAN KK58 citations94

US4822201AApr 18, 1989

Coupling pin for sucker rod made of fiber-reinforced plastic material

NIPPON KOKAN KK42 citations86