TK

Thomas L. Koch

AT AT&T: 20 patents #813 of 18,772Top 5%
UA University Of Arizona: 6 patents #51 of 1,318Top 4%
AT American Telephone And Telegraph: 5 patents #5 of 699Top 1%
SD Sdl: 5 patents #23 of 128Top 20%
JU Jds Uniphase: 2 patents #250 of 940Top 30%
AS Agere Systems: 2 patents #639 of 1,849Top 35%
Caltech: 1 patents #2,143 of 4,321Top 50%
CU Cornell University: 1 patents #786 of 1,984Top 40%
BL Bell Telephone Laboratories: 1 patents #567 of 1,445Top 40%
LU Lehigh University: 1 patents #88 of 228Top 40%
MIT: 1 patents #4,386 of 9,367Top 50%
SC Santa Barbara Research Center: 1 patents #82 of 173Top 50%
AP Analog Photonics: 1 patents #12 of 20Top 60%
Stanford University: 1 patents #2,251 of 5,197Top 45%
CU Columbia University: 1 patents #1,151 of 2,492Top 50%
UR University Of Rochester: 1 patents #496 of 1,162Top 45%
SF SUNY Research Foundation: 1 patents #469 of 1,165Top 45%
📍 Tucson, AZ: #127 of 6,004 inventorsTop 3%
🗺 Arizona: #544 of 32,909 inventorsTop 2%
Overall (All Time): #66,829 of 4,157,543Top 2%
44
Patents All Time

Issued Patents All Time

Showing 26–44 of 44 patents

Patent #TitleCo-InventorsDate
5288659 Photonic-integrated-circuit fabrication process Uziel Koren 1994-02-22
5253314 Tunable optical waveguide coupler Rodney C. Alferness, Lawrence L. Buhl, Uziel Koren 1993-10-12
5243669 Asymmetric, periodically loaded waveguide for polarization rotation Rodney C. Alferness, Yosi Shani 1993-09-07
5220578 Long term mode stabilization for distributed Bragg reflector laser Sheryl Leigh Woodward 1993-06-15
5147825 Photonic-integrated-circuit fabrication process Uziel Koren 1992-09-15
5144637 Inline diplex lightwave transceiver Herwig Werner Kogelnik, Uziel Koren 1992-09-01
5031188 Inline diplex lightwave transceiver Herwig Werner Kogelnik, Uziel Koren 1991-07-09
5029297 Optical amplifier-photodetector device Thirumala R. Halemane, Steven K. Korotky 1991-07-02
5020153 Tunable narrowband receiver utilizing distributed Bragg reflector laser structure Fow-Sen Choa 1991-05-28
4952995 Infrared imager James D. Phillips, Thomas N. Casselman 1990-08-28
4944838 Method of making tapered semiconductor waveguides Uziel Koren 1990-07-31
4932032 Tapered semiconductor waveguides Uziel Koren 1990-06-05
4908833 Distributed feedback laser for frequency modulated communication systems Andrew R. Chraplyvy, Robert William Tkach 1990-03-13
4904045 Grating coupler with monolithically integrated quantum well index modulator Rodney C. Alferness, Uziel Koren, Jane E. Zucker 1990-02-27
4905253 Distributed Bragg reflector laser for frequency modulated communication systems Andrew R. Chraplyvy, Robert William Tkach 1990-02-27
4764246 Buried undercut mesa-like waveguide and method of making same Thomas J. Bridges, Ernest G. Burkhardt, Larry A. Coldren 1988-08-16
4745607 Interlayer directional coupling in antiresonant reflecting optical waveguides 1988-05-17
4725112 Buried undercut mesa-like waveguide Thomas J. Bridges, Ernest G. Burkhardt, Larry A. Coldren 1988-02-16
4715672 Optical waveguide utilizing an antiresonant layered structure Michel A. Duguay, Yasuo Kokubun, Loren N. Pfeiffer 1987-12-29