Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert N. Lang — 13 Patents

IBM: 12 patents #9,258 of 70,183Top 15%
Pleasant Valley, NY: #22 of 156 inventorsTop 15%
New York: #11,463 of 115,490 inventorsTop 10%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
Robert N. Lang has been granted 13 US patents while listed as an inventor at IBM. The first was granted in 1992 and the most recent in December 2009. Robert N. Lang ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Robert N. Lang in Pleasant Valley, NY, US.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7638266 Ultrathin polymeric photoacid generator layer and method of fabricating at least one of a device and a mask by using said layer Marie Angelopoulos, Gregory Breyta, Wu-Song Huang, Wenjie Li, David R. Medeiros +2 more 2009-12-29 $22,760,000
7314700 High sensitivity resist compositions for electron-based lithography Wu-Song Huang, Wenjie Li, Wayne M. Moreau, David R. Medeiros, Karen E. Petrillo +1 more 2008-01-01
6979518 Attenuated embedded phase shift photomask blanks Marie Angelopoulos, Katherina Babich, S. Jay Chey, Michael S. Hibbs, Arpan Mahorowala +1 more 2005-12-27 $5,960,000
6821718 Radiation sensitive silicon-containing negative resists and use thereof Marie Angelopoulos, Ari Aviram, Wu-Song Huang, Ranee W. Kwong, Qinghuang Lin +1 more 2004-11-23 $4,043,000
6730445 Attenuated embedded phase shift photomask blanks Marie Angelopoulos, Katherina Babich, S. Jay Chey, Michael S. Hibbs, Arpan Mahorowala +1 more 2004-05-04 $7,309,000
6682860 Attenuated embedded phase shift photomask blanks Marie Angelopoulos, Katherina Babich, S. Jay Chey, Michael S. Hibbs, Arpan Mahorowala +1 more 2004-01-27 $11,745,000
6653045 Radiation sensitive silicon-containing negative resists and use thereof Marie Angelopoulos, Ari Aviram, Wu-Song Huang, Ranee W. Kwong, Qinghuang Lin +1 more 2003-11-25 $5,480,000
6586156 Etch improved resist systems containing acrylate (or methacrylate) silane monomers Marie Angelopoulos, Wu-Song Huang, Dai Junyan, Ranee W. Kwong, Arpan Mahorowala +3 more 2003-07-01 $13,647,000
6420084 Mask-making using resist having SIO bond-containing polymer Marie Angelopoulos, Ari Aviram, C. Richard Guarnieri, Wu-Song Huang, Ranee W. Kwong +3 more 2002-07-16 $9,944,000
5976710 Low TCE polyimides as improved insulator in multilayer interconnect structures Krishna G. Sachdev, John P. Hummel, Sundar M. Kamath, Anton Nendaic, Charles H. Perry +1 more 1999-11-02 $18,540,000
5399462 Method of forming sub-half micron patterns with optical lithography using bilayer resist compositions comprising a photosensitive polysilsesquioxane Krishna G. Sachdev, Premlatha Jagannathan, Harbans S. Sachdev, Ratnam Sooriyakumaran, Joel R. Whitaker 1995-03-21 $19,868,000
5240812 Top coat for acid catalyzed resists Willard E. Conley, Ranee W. Kwong, Richard J. Kvitek, Christopher F. Lyons, Steve S. Miura +3 more 1993-08-31 $6,793,000
5115090 Viscosity stable, essentially gel-free polyamic acid compositions Krishna G. Sachdev, John P. Hummel, Ranee W. Kwong, Leo L. Linehan, Harbans S. Sachdev 1992-05-19