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

Christophe Pierrat

Micron: 81 patents #190 of 6,345Top 3%
NTNumerical Technologies: 36 patents #1 of 41Top 3%
SYSynopsys: 35 patents #8 of 2,302Top 1%
CSCadence Design Systems: 10 patents #117 of 2,263Top 6%
ATAT&T: 9 patents #2,000 of 18,772Top 15%
TTTakumi Technology: 6 patents #1 of 10Top 10%
MAMagma Design Automation: 1 patents #26 of 56Top 50%
Watchung, NJ: #1 of 176 inventorsTop 1%
New Jersey: #62 of 69,400 inventorsTop 1%
Overall (All Time): #4,254 of 4,157,543Top 1%
180 Patents All Time

Issued Patents All Time

Showing 126–150 of 180 patents

Patent #TitleCo-InventorsDate
6238824 Method for designing and making photolithographic reticle, reticle, and photolithographic process John R. C. Futrell, William A. Stanton 2001-05-29
6235638 Simplified etching technique for producing multiple undercut profiles Karen Huang 2001-05-22
6232191 Method for forming a spacer for semiconductor manufacture Nanseng Jeng 2001-05-15
6225174 Method for forming a spacer using photosensitive material Nanseng Jeng 2001-05-01
6221564 Method for forming a spacer out of photosensitive material Nanseng Jeng 2001-04-24
6218089 Photolithographic method 2001-04-17
6200906 Stepped photoresist profile and opening formed using the profile Shubneesh Batra 2001-03-13
6185473 Optical pattern transfer tool 2001-02-06
6178360 Methods and apparatus for determining optimum exposure threshold for a given photolithographic model James Burdorf 2001-01-23
6162568 Process for forming features on a semiconductor wafer using a phase shifting mask that can be used with two different wavelengths of light J. Brett Rolfson 2000-12-19
6136480 Method for fabrication of and apparatus for use as a semiconductor photomask 2000-10-24
6127096 Method for reducing photolithographic steps in a semiconductor interconnect process Nanseng Jeng 2000-10-03
6120952 Methods of reducing proximity effects in lithographic processes James Burdorf, William Baggenstoss, William A. Stanton 2000-09-19
6106980 Method and apparatus to accurately correlate defect coordinates between photomask inspection and repair systems Baorui Yang 2000-08-22
6106979 Use of attenuating phase-shifting mask for improved printability of clear-field patterns 2000-08-22
6096457 Method for optimizing printing of a phase shift mask having a phase shift error 2000-08-01
6091845 Inspection technique of photomask James Burdorf 2000-07-18
6077630 Subresolution grating for attenuated phase shifting mask fabrication 2000-06-20
6068951 Phase shifting mask and process for forming J. Brett Rolfson 2000-05-30
6042973 Subresolution grating for attenuated phase shifting mask fabrication 2000-03-28
6040892 Multiple image reticle for forming layers 2000-03-21
6037087 Method to accurately correlate defect coordinates between photomask inspection and repair systems Baorui Yang 2000-03-14
6033814 Method for multiple process parameter matching James Burdorf 2000-03-07
6023328 Photomask inspection method and apparatus 2000-02-08
5998069 Electrically programmable photolithography mask Douglas J. Cutter 1999-12-07