Inventor
KAWASAKI IWAO
JP3 patents
Patents
3 patentsUS4966634AOct 30, 1990
Composition of the surface treatment for metal and the treatment method
NIHON PARKERIZING26 citations86
US4749418AJun 7, 1988
Chromate coating of zinc surfaces
NIHON PARKERIZING22 citations78
US6139973AOct 31, 2000
Method for forming wear-resistant layer and iron-based material, on which wear-resistant layer is applied
NIHON PARKERIZING17 citations75