Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
EC

Edward W. Conrad

IBM: 34 patents #2,873 of 70,183Top 5%
Jeffersonville, VT: #2 of 26 inventorsTop 8%
Vermont: #205 of 4,968 inventorsTop 5%
Overall (All Time): #103,806 of 4,157,543Top 3%
34 Patents All Time

Issued Patents All Time

Showing 26–34 of 34 patents

Patent #TitleCo-InventorsDate
6268908 Micro adjustable illumination aperture Orest Bula, Daniel C. Cole, David V. Horak, Jed H. Rankin 2001-07-31
6261724 Method of modifying a microchip layout data set to generate a predicted mask printed data set Orest Bula, Daniel C. Cole, William C. Leipold, Donald J. Samuels 2001-07-17
6258490 Transmission control mask utilized to reduce foreshortening effects Orest Bula, Daniel C. Cole, William C. Leipold 2001-07-10
6238850 Method of forming sharp corners in a photoresist layer Orest Bula, Daniel C. Cole, William C. Leipold 2001-05-29
6214494 Serif mask design methodology based on enhancing high spatial frequency contribution for improved printability Orest Bula, Daniel C. Cole, Ning Lu 2001-04-10
6016357 Feedback method to repair phase shift masks Timothy E. Neary, Orest Bula 2000-01-18
5980647 Metal removal cleaning process and apparatus Edward D. Buker, James M. Leas 1999-11-09
5963329 Method and apparatus for measuring the profile of small repeating lines David P. Paul 1999-10-05
5325180 Apparatus for identifying and distinguishing temperature and system induced measuring errors Ronald E. Chappelow 1994-06-28