KO

Ken Oikawa

SI Sumitomo Heavy Industries: 1 patents #8 of 42Top 20%
Overall (2011): #245,130 of 364,097Top 70%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7992394 Cold trap and cold trap regeneration method — 2011-08-09