KN

Katuhisa Numata

TK Toyo Boseki Kabushiki Kaisha: 1 patents #541 of 1,085Top 50%
Overall (All Time): #4,048,056 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4371487 Process for the production of a hollow fiber semipermeable membrane Kaduto Hamada, Zitumi Takata 1983-02-01