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

Alfred Yi Cho — 76 Patents

ATAT&T: 53 patents #212 of 18,772Top 2%
BLBell Telephone Laboratories: 9 patents #11 of 1,445Top 1%
AGAgere Systems Guardian: 2 patents #139 of 810Top 20%
AGAgere Systems Optoelectronics Guardian: 1 patents #30 of 115Top 30%
AIAt & T Ipm: 1 patents #18 of 189Top 10%
YUYale University: 1 patents #732 of 1,662Top 45%
New Providence, NJ: #4 of 512 inventorsTop 1%
New Jersey: #385 of 69,400 inventorsTop 1%
Overall (All Time): #25,153 of 4,157,543Top 1%
76 Patents All Time

Issued Patents All Time

Showing 26–50 of 76 patents

Patent #TitleCo-InventorsDate
6144681 Article comprising a dual-wavelength quantum cascade photon source Federico Capasso, Jerome Faist, Albert Lee Hutchinson, Carlo Sirtori, Deborah Lee Sivco +1 more 2000-11-07
6137817 Quantum cascade laser James N. Baillargeon, Federico Capasso, Claire F. Gmachl, Albert Lee Hutchinson, Deborah Lee Sivco +1 more 2000-10-24
6134257 Solid state laser for operation in librational modes Federico Capasso, Jerome Faist, Claire F. Gmachl, Deborah Lee Sivco, Evgueni E. Narimanov +2 more 2000-10-17
6110438 Method of making black phosphorus from red phosphorus James N. Baillargeon, Keh-Yeng Cheng, Sung-Nee George Chu, Wen-Yen Hwang 2000-08-29
6091753 Article comprising an improved superlattice quantum cascade laser Federico Capasso, Jerome Faist, Claire F. Gmachl, Albert Lee Hutchinson, Deborah Lee Sivco +1 more 2000-07-18
6055257 Quantum cascade laser James N. Baillargeon, Federico Capasso, Claire F. Gmachl, Deborah Lee Sivco, Mattias Beck +1 more 2000-04-25
6055254 Quantum cascade light emitter with pre-biased internal electronic potential Federico Capasso, Claire F. Gmachl, Albert Lee Hutchinson, Deborah Lee Sivco, Alessandro Tredicucci 2000-04-25
6023482 Article comprising a strain-compensated QC laser Federico Capasso, Sung-Nee George Chu, Jerome Faist, Albert Lee Hutchinson, Deborah Lee Sivco 2000-02-08
5978397 Article comprising an electric field-tunable semiconductor laser Federico Capasso, Jerome Faist, Albert Lee Hutchinson, Carlo Sirtori, Deborah Lee Sivco 1999-11-02
5936989 Quantum cascade laser Federico Capasso, Jerome Faist, Albert Lee Hutchinson, Gaetano Scamarcio, Carlo Sirtori +1 more 1999-08-10
5903037 GaAs-based MOSFET, and method of making same Minghwei Hong, James Robert Lothian, Joseph Petrus Mannaerts, Fan Ren 1999-05-11
5901168 Article comprising an improved QC laser James N. Baillargeon, Federico Capasso, Jerome Faist, Claire F. Gmachl, Carlo Sirtori +1 more 1999-05-04
5745516 Article comprising a unipolar superlattice laser Federico Capasso, Jerome Faist, Albert Lee Hutchinson, Gaetano Scamarcio, Carlo Sirtori +1 more 1998-04-28
5727012 Heterostructure laser James N. Baillargeon, Keh-Yung Cheng 1998-03-10
5727010 Article comprising an improved quantum cascade laser Federico Capasso, Jerome Faist, Albert Lee Hutchinson, Carlo Sirtori, Deborah Lee Sivco 1998-03-10
5633193 Method of making an InP-based device comprising semiconductor growth on a non-planar surface James N. Baillargeon, Sung-Nee George Chu, Wen-Yen Hwang 1997-05-27
5588969 Method for supplying phosphorous vapor James N. Baillargeon 1996-12-31
5570386 Semiconductor laser Federico Capasso, Jerome Faist, Albert Lee Hutchinson, Carlo Sirtori, Deborah Lee Sivco 1996-10-29
5550854 Binary stratified structures for periodically pumped semiconductor lasers Howard Chen 1996-08-27
5509025 Unipolar semiconductor laser Federico Capasso, Jerome Faist, Albert Lee Hutchinson, Carlo Sirtori, Deborah Lee Sivco 1996-04-16
5502787 Article comprising a semiconductor waveguide structure Federico Capasso, Jerome Faist, Albert Lee Hutchinson, Carlo Sirtori, Deborah Lee Sivco 1996-03-26
5457709 Unipolar semiconductor laser Federico Capasso, Jerome Faist, Albert Lee Hutchinson, Serge Luryi, Carlo Sirtori +1 more 1995-10-10
5332690 Method of making an integrated optical package for coupling optical fibers to devices with asymmetric light beams Deborah Lee Sivco, Daryoosh Vakhshoori 1994-07-26
5314838 Method for making a semiconductor laser Sung-Nee George Chu, Kuochou Tai, Yeong-Her Wang 1994-05-24
5311009 Quantum well device for producing localized electron states for detectors and modulators Federico Capasso, Jerome Faist, Carlo Sirtori, Deborah Lee Sivco 1994-05-10