Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Norbert Freisitzer — 2 Patents

IBM: 2 patents #32,909 of 70,183Top 50%
Hyde Park, NY: #115 of 223 inventorsTop 55%
New York: #49,169 of 115,490 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Norbert Freisitzer has been granted 2 US patents while listed as an inventor at IBM. The first was granted in 1992 and the most recent in July 1994. Norbert Freisitzer ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Norbert Freisitzer in Hyde Park, NY, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5328546 Photo resist film application mechanism William A. Brady, See Ark Chan, Rolf G. Meinert, Prakash Nahata, Julius J. Perlini +2 more 1994-07-12 $13,187,000
5106450 Dry film resist transport and lamination system for semiconductor wafers Rolf G. Meinert 1992-04-21 $23,180,000