TO

Toshitsugu Ookubo

SU Suncall: 1 patents #1 of 4Top 25%
Overall (2003): #100,200 of 273,478Top 40%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6659137 Two-layer clad pipe Katsuhiro Imasaki, Hiroyuki Furukawa, Sadao Oiko 2003-12-09