Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12231832 | Method for pre-calculating and applying optimized phase patterns to LCoS switch panel of WSS module | Alan A. Fennema, Haijun Yuan, Wilfredo C. Nanita, Oswald Correya, Thomas J. Schwartz | 2025-02-18 |
| 11789331 | Tunable optical wedge for beam steering | Qingyu Li, Guomin JIANG, Haiji Yuan, Yimin Ji, Helen Chen | 2023-10-17 |
| 11422429 | Tunable optical wedge for beam steering | Qingyu Li, Guomin JIANG, Haiji Yuan, Yimin Ji, Helen Chen | 2022-08-23 |
| 11016441 | Optimization of wavelength selective switch using phase control of liquid crystal spatial light modulator | Kun Gao, Helen Chen, Guomin JIANG, Xinran Wang, Lixin Wang +2 more | 2021-05-25 |
| 10367596 | Multiple wavelength selective switch with shared switch | Oliver Lu, Helen Chen, Gordon Jiang, Simon Xunnan He, Lawrence Chang-Yung Wang +3 more | 2019-07-30 |
| 7499608 | Apparatus and method for optical switching with liquid crystals and birefringent wedges | Mingji Cui, David Heineman, Hudson Washburn, Meng Xue | 2009-03-03 |
| 7492986 | Apparatus and method for optical switching with liquid crystals and birefringent wedges | — | 2009-02-17 |
| 7375889 | Apparatus and method for controlling polarization in an optical communications medium | Xuewu Liu | 2008-05-20 |
| 7035009 | Apparatus and method for controlling polarization in an optical communications medium | Xuewu Liu | 2006-04-25 |
| 6995823 | Viewing angle for liquid crystal display system and method | Marina Lavrentovich, Shu Li | 2006-02-07 |
| 6839103 | Elliptically polarizing plate and liquid crystal display | Tatiana Sergan, Marina Lavrentovich, Yuuichi Nishikouji, Tadayuki Kameyama | 2005-01-04 |
| 6822713 | Optical compensation film for liquid crystal display | Oleg Yaroshchuk, Yuriy Reznikov, Liang-Chy Chien, Tatiana Sergan | 2004-11-23 |
| 6765635 | Apparatus and method for achromatic liquid crystal electro-optic modulation | Haiji Yuan, Qingyu Li | 2004-07-20 |
| 6747774 | Apparatus and method for controlling optical gain profiles | Haiji Yuan, Qingyu Li, Hudson Washburn | 2004-06-08 |
| 6614572 | Apparatus and method for controlling optical gain profiles in a temperature independent manner | Haiji Yuan, Hudson Washburn | 2003-09-02 |
| 6034756 | LCDs with wide viewing angle | Haiji Yuan, Thomas G. Fiske, Louis D. Silverstein | 2000-03-07 |
| 4190800 | Electrical load management system | Glen P. Robinson, Jr. | 1980-02-26 |