KS

Keizo Sugao

UL Usui Kokusai Sangyo Kaisha Limited: 6 patents #28 of 145Top 20%
Overall (All Time): #885,606 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6135160 Multi-wound stainless steel pipe 2000-10-24
5139814 Method of manufacturing metal pipes coated with tin or tin based alloys 1992-08-18
4893601 Manifold for conveying a high-pressure fuel 1990-01-16
4832376 Connection structure for branch pipe in high-pressure fuel manifold 1989-05-23
4784311 Process of producing thick-walled composite metal tubing 1988-11-15
4598937 Pipe having a double flared end 1986-07-08