TS

Tomio Sakai

HC Hoden Seimitsi Kako Kenkyusho Co.: 1 patents #1 of 2Top 50%
Overall (2011): #141,255 of 364,097Top 40%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7918931 Chromium-free metal surface treatment agent Yasuhiko Endo 2011-04-05