HA

Hayha Aarno

KO Kemira Oy: 1 patents #20 of 84Top 25%
📍 Helsinki, FI: #2,126 of 3,940 inventorsTop 55%
Overall (All Time): #3,892,963 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5077027 Method for producing silicon halides by reducing silicon tetrhalides under a plasma torch Judin Vesa-Pekka, Koukkari Pertti 1991-12-31