TK

Tomoaki Katsumata

NC Nihon Parkerizing Co.: 1 patents #112 of 330Top 35%
Overall (All Time): #3,582,652 of 4,157,543Top 90%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6235180 Method for forming phosphate film on the steel wires and apparatus used therefore Naoyuki Kobayashi, Atsushi Moriyama, Shigemasa Takagi 2001-05-22