HT

Hiroharu Takeshima

SC Sumitomo Chemical: 3 patents #1,386 of 4,033Top 35%
Overall (All Time): #1,616,406 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6423821 Method for producing poly(p-t-butoxystyrene) Takanori Okahashi, Seigo Ito 2002-07-23
6395854 Method for producing poly (p-t-butoxystyrene) 2002-05-28
6291604 Method for producing poly(p-t-butoxystyrene) 2001-09-18