HS

Hilmar Schiewe

SM Sonopress Produktionsgesellschaft Fãƒâ¼R Ton- Und Informationstrãƒâ¤Ger Mbh: 1 patents #2 of 11Top 20%
📍 Gütersloh, DE: #37 of 133 inventorsTop 30%
Overall (All Time): #2,268,526 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5652747 Optical disk recording method having duration ratio between high and low levels during formation of pits — 1997-07-29
5608718 Disk-shaped optical storage medium exhibiting an identification mark, and method of making such a storage medium — 1997-03-04