SK

Shunichi Kumazawa

NI Nissan Chemical Industries: 1 patents #655 of 1,150Top 60%
TL Teijin Limited: 1 patents #850 of 1,631Top 55%
Overall (All Time): #4,122,334 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4229552 Fire-retardant polyester compositions Masahiro Shiozaki, Kiyoshi Nawata, Kiyokazu Tsunawaki, Kazumi Tsubaki, Akira Yanagimoto 1980-10-21