EI

Eiichi Itoi

UN Unitika: 1 patents #257 of 620Top 45%
Overall (All Time): #3,881,500 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5034502 Process for producing a polyarylate Isamu Hirose, Tadashi Ishida 1991-07-23