BR

by Nobuko Makishima, legal representative

TK Toa Nenryo Kogyo, K.K.: 1 patents #8 of 27Top 30%
Overall (1989): #127,795 of 140,708Top 95%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4801654 Block copolymer containing block from tetrahydrofuran Tokuo Makishima, Satoshi Ueki, Chihiro Imai 1989-01-31