Inventor

NAKADA NORIO

JP3 patents

Patents

3 patents

US5334297AAug 2, 1994

Method for production of colored article of aluminum or aluminum alloy

YOSHIDA KOGYO KK50 citations89

US5120405AJun 9, 1992

Method of coloring aluminum or aluminum alloy material

YOSHIDA KOGYO KK7 citations71

US5217601AJun 8, 1993

Method for impartation of blue color to aluminum or aluminum alloy

YOSHIDA KOGYO KK1 citations49