YT

Yushiro Takasugi

JO Japan National Oil: 1 patents #8 of 55Top 15%
MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
Overall (All Time): #3,955,246 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4756559 Swivel joint for fluid pipes Mitsuhiro Shimada, Keishi Okada, Tetsuyuki Hiroe, Susumu Ishibashi 1988-07-12