IT

Itsuya Tanaka

SI Sanyo Chemical Industries: 1 patents #242 of 607Top 40%
Overall (All Time): #4,090,696 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4271217 Process for producing polyurethane resins and sheet materials Toshikazu Fujii 1981-06-02