RS

Ryuji Sakasai

TC Tokyo Gas Co.: 1 patents #144 of 412Top 35%
Overall (All Time): #3,449,187 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6895681 Method and instrument for measuring inside diameter of conduit Yasushi Yonemura, Kiichi Suyama 2005-05-24