YK

Yoshihisa Kusumi

MI Mitsui Petrochemical Industries: 1 patents #503 of 1,024Top 50%
Overall (All Time): #4,103,914 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4182581 Pipe for underdraining Yoshio Uehara, Minoru Inaba, Noriyuki Ishii 1980-01-08