KS

Koichi Shirakawa

WC Waterworks Technology Development Organization Co.: 2 patents #15 of 35Top 45%
Overall (All Time): #2,212,468 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6371530 Tube joint Taichi Sato, Kosuke Sakai 2002-04-16
6203073 Tube joint Taichi Sato, Kosuke Sakai 2001-03-20