AC

Alfred Yi Cho

AT AT&T: 53 patents #212 of 18,772Top 2%
BL Bell Telephone Laboratories: 9 patents #11 of 1,445Top 1%
AG Agere Systems Guardian: 2 patents #139 of 810Top 20%
AG Agere Systems Optoelectronics Guardian: 1 patents #30 of 115Top 30%
AI At & T Ipm: 1 patents #18 of 189Top 10%
YU Yale University: 1 patents #732 of 1,662Top 45%
Overall (All Time): #25,153 of 4,157,543Top 1%
76
Patents All Time

Issued Patents All Time

Showing 25 most recent of 76 patents

Patent #TitleCo-InventorsDate
7092421 Unipolar, intraband optoelectronic transducers with micro-cavity resonators Federico Capasso, Raffaele Colombelli, Claire F. Gmachl, Oskar Painter, Arthur Mike Sergent +4 more 2006-08-15
7010010 Broadband cascade light emitters Federico Capasso, Claire F. Gmachl, Milton Peabody, Arthur Mike Sergent, Deborah Lee Sivco +1 more 2006-03-07
6940639 Phase matched parametric light generation in monolithically integrated intersubband optical devices Alexey Belyanin, Claire F. Gmachl, Oana Malis, Milton Peabody, Arthur Mike Sergent +1 more 2005-09-06
6891187 Optical devices with heavily doped multiple quantum wells Claire F. Gmachl, Hock Ng 2005-05-10
6836499 Optical amplifier for quantum cascade laser Federico Capasso, Claire F. Gmachl, Deborah Lee Sivco, Mariano Troccoli 2004-12-28
6816530 Nonlinear semiconductor light sources Federico Capasso, Raffaele Colombelli, Claire F. Gmachl, Nina Owschimikow, Deborah Lee Sivco 2004-11-09
6795467 Technique for measuring intersubband electroluminescence in a quantum cascade laser Federico Capasso, Raffaele Colombelli, Claire F. Gmachl, Albert Lee Hutchinson, Arthur Mike Sergent +2 more 2004-09-21
6760354 Intersubband light emitters with injection/relaxation regions doped to different levels Federico Capasso, Rafaelle Colombelli, Claire F. Gmachl, Trinesha Shenika Mosely, Axel Straub +2 more 2004-07-06
6728282 Engineering the gain/loss profile of intersubband optical devices having heterogeneous cascades Federico Capasso, Rafaelle Colombelli, Claire F. Gmachl, Hock Ng, Deborah Lee Sivco 2004-04-27
6690699 Quantum cascade laser with relaxation-stabilized injection Federico Capasso, Albert Lee Hutchinson, Gaetano Scamarcio, Deborah Lee Sivco, Mariano Troccoli 2004-02-10
6563852 Self-mode-locking quantum cascade laser James N. Baillargeon, Federico Capasso, Claire F. Gmachl, Albert Lee Hutchinson, Roberto Paiella +1 more 2003-05-13
6556604 Flat minibands with spatially symmetric wavefunctions in intersubband superlattice light emitters Federico Capasso, Sung-Nee George Chu, Claire F. Gmachl, Albert Lee Hutchinson, Arthur Mike Sergent +3 more 2003-04-29
6501783 Distributed feedback surface plasmon laser Federico Capasso, Claire F. Gmachl, Albert Lee Hutchinson, Deborah Lee Sivco, Alessandro Tredicucci 2002-12-31
6463088 Mesa geometry semiconductor light emitter having chalcogenide dielectric coating James N. Baillargeon, Federico Capasso, Claire F. Gmachl, Albert Lee Hutchinson, Harold Yoonsung Hwang +4 more 2002-10-08
6400744 Apparatus comprising a quantum cascade laser having improved distributed feedback for single-mode operation Federico Capasso, Sung-Nee George Chu, Claire F. Gmachi, Ruedeger Koehler, Deborah Lee Sivco +1 more 2002-06-04
6333944 Semiconductor laser for operation in librational modes Federico Capasso, Claire F. Gmachl, Deborah Lee Sivco, Evgueni E. Narimanov, Alfred Douglas Stone 2001-12-25
6326646 Mounting technology for intersubband light emitters James N. Baillargeon, Federico Capasso, George Sung-Nee Chu, Claire F. Gmachl, Albert Lee Hutchinson +3 more 2001-12-04
6324199 Intersubband light source with separate electron injector and reflector/extractor Federico Capasso, Sung-Nee George Chu, Claire F. Gmachl, Albert Lee Hutchinson, Deborah Lee Sivco +1 more 2001-11-27
6301282 Long wavelength semiconductor lasers incorporating waveguides based on surface plasmons Federico Capasso, Claire F. Gmachl, Albert Lee Hutchinson, Deborah Lee Sivco, Jerome Faist +1 more 2001-10-09
6278134 Bi-directional unipolar semiconductor light source Federico Capasso, Claire F. Gmachl, Albert Lee Hutchinson, Deborah Lee Sivco, Alessandro Tredicucci 2001-08-21
6271069 Method of making an article comprising an oxide layer on a GaAs-based semiconductor body Young-Kai Chen, William Scott Hobson, Minghwei Hong, Jenn-Ming Kuo, Jueinai Kwo +2 more 2001-08-07
6265322 Selective growth process for group III-nitride-based semiconductors Klaus Alexander Anselm, Sung-Nee George Chu 2001-07-24
6240114 Multi-quantum well lasers with selectively doped barriers Klaus Alexander Anselm, James N. Baillargeon 2001-05-29
6180429 Process for selective area growth of III-V semiconductors Klaus Alexander Anselm, James N. Baillargeon, Wen-Yen Hwang 2001-01-30
6148012 Multiple wavelength quantum cascade light source Federico Capasso, Claire F. Gmachl, Albert Lee Hutchinson, Deborah Lee Sivco, Alessandro Tredicucci 2000-11-14