MK

Masaoki Koyama

AS Asahi-Dow: 1 patents #40 of 93Top 45%
Overall (All Time): #2,288,372 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5436399 Thermoplastic polyurethane derived from polytetramethylene carbonate diol Tomonari Watanabe, Kenzou Kawai, Motoyoshi Mori 1995-07-25
4211684 Vinylidene chloride polymer latex Hiroyuki Kigo 1980-07-08