KL

Karen Liu

IBM: 7 patents #14,640 of 70,183Top 25%
Stanford University: 2 patents #1,252 of 5,197Top 25%
LL Lightwave Logic: 1 patents #12 of 13Top 95%
TO Tellabs Operations: 1 patents #141 of 307Top 50%
Overall (All Time): #375,142 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
11435603 TFP optical transition device and method Frederick J. Leonberger, Michael S. Lebby 2022-09-06
6208443 Dynamic optical add-drop multiplexers and wavelength-routing networks with improved survivability and minimized spectral filtering Weyl-kuo Wang, Chaoyu Yue 2001-03-27
5953141 Dynamic optical add-drop multiplexers and wavelength-routing networks with improved survivability and minimized spectral filtering Weyl-kuo Wang, Chaoyu Yue 1999-09-14
5930016 Upgradable modular wavelength division multiplexer Stuart D. Brorson, Paul E. Green, Jr., Weyl-kuo Wang 1999-07-27
5825949 Optical wavelength division multiplexer for coupling to data sources and sinks, wherein at least two data sources and sinks operate with different communication protocols Michael M. Choy, Paul E. Green, Jr., William E. Hall, Frank J. Janniello, Jeff Kenneth Kravitz +2 more 1998-10-20
5745612 Wavelength sorter and its application to planarized dynamic wavelength routing Weyl-kuo Wang, Franklin F. Tong 1998-04-28
5487120 Optical wavelength division multiplexer for high speed, protocol-independent serial data sources Michael M. Choy, Paul E. Green, Jr., William E. Hall, Frank J. Janniello, Jeff Kenneth Kravitz +2 more 1996-01-23
5357363 Interconnections having improved signal-to-noise ratio Chung-Sheng Li, Harold S. Stone, Franklin F. Tong 1994-10-18
D328464 Antenna for radar or the like Frank Liu 1992-08-04
5039201 Double-pass tunable fabry-perot optical filter 1991-08-13
4964131 Broadband optical fiber laser Byoung Y. Kim, Michel J. F. Digonnet, Kenneth A. Fesler, Herbert J. Shaw 1990-10-16
4938556 Superfluorescent broadband fiber laser source Michel J. F. Digonnet, Byoung Y. Kim, Herbert J. Shaw, John J. Fling 1990-07-03
4721352 Polarizing apparatus and method utilizing an optical fiber Wayne V. Sorin, Herbert J. Shaw 1988-01-26