TY

Toyohiko Yamaguchi

HC Hodogaya Chemical Co.: 2 patents #141 of 359Top 40%
Overall (All Time): #2,352,256 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4504651 Sulfur-containing polyester and process for its production Koichi Kashima, Minoru Ozutsumi, Masaru Morinaga 1985-03-12
4376854 Process for preparing resorcinol copolymers Koichi Kashima, Nobuo Kaifu 1983-03-15