YT

Yasuji Tsunekawa

DC Dainippon Ink And Chemicals: 1 patents #446 of 1,002Top 45%
📍 Izumisano, JP: #67 of 117 inventorsTop 60%
Overall (All Time): #3,896,978 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4904706 Soft polyurethane foam from hydroxyl urethane prepolymer and polyester ether polyol Kazuya Uenishi 1990-02-27