YO

Yohji Ono

NC Nihon Parkerizing Co.: 1 patents #112 of 330Top 35%
Overall (All Time): #3,903,424 of 4,157,543Top 95%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4927472 Conversion coating solution for treating metal surfaces Yasunobu Matsushima, Shigeo Tanaka, Tomoyuki Aoki 1990-05-22