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Helmut Kirschner

📍 Emmerting, DE: #32 of 61 inventorsTop 55%
Overall (All Time): #2,240,533 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6095898 Process and device for polishing semiconductor wafers Heinrich Hennhofer, Hans Kramer, Manfred Thurner, Thomas Buschhardt, Klaus Rottger 2000-08-01
5049200 Process for the hydrophilizing and/or cement-residue-removing surface treatment of silicon wafers Roland Brunner, Susanne Bauer-Mayer, Rudolf Griesshammer 1991-09-17