Issued Patents All Time
Showing 451–462 of 462 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7609917 | Method and apparatus for controlling waveguide birefringence by selection of a waveguide core width for a top cladding | Farnaz Parhami, Fan Zhong | 2009-10-27 |
| 7594995 | Catalyst composition for treating heavy feedstocks | Baojian Shen, Jinsen Gao, Chunming Xu, Xianfeng Li, Pei Wu | 2009-09-29 |
| 7459413 | Catalyst composition for treating heavy feedstocks | Baojian Shen, Jinsen Gao, Chunming Xu, Xianfeng Li, Pei Wu | 2008-12-02 |
| 7447394 | Stable center wavelength performance in non-rectilinearly shaped optical integrated circuit chip | Calvin Ho, Brian P. McGinnis, Wilson Long, Ed Fontecha, David J. Quirke +2 more | 2008-11-04 |
| 7323629 | Real time music recognition and display system | Arun Somani, Wu Tao, Raed Adhami, Anil Sahai | 2008-01-29 |
| 7194162 | Filter response optimization for an arrayed waveguide grating device by adjusting grating optical path length at nanometer scale | Ming Yan, Hao Xu | 2007-03-20 |
| 7182878 | Methods for etch loading planar lightwave circuits | Jongik Won, Calvin Ho, Fan Zhong | 2007-02-27 |
| 6850670 | Method and apparatus for controlling waveguide birefringence by selection of a waveguide core width for a top clad | Farnaz Parhami, Fan Zhong | 2005-02-01 |
| 6823103 | Optical devices for controlling insertion loss | Jane Lam, Kenneth McGreer, Hao Xu, Wayne Lui | 2004-11-23 |
| 6735363 | Waveguide-grating router with output tapers configured to provide a passband that is optimized for each channel individually | Kenneth McGreer, Jane Lam | 2004-05-11 |
| 6697552 | Dendritic taper for an integrated optical wavelength router | Kenneth McGreer, Jane Lam, Hao Xu | 2004-02-24 |
| 6690025 | Devices for etch loading planar lightwave circuits | Jongik Won, Calvin Ho, Fan Zhong | 2004-02-10 |