Issued Patents All Time
Showing 25 most recent of 103 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12174598 | Time series based machine learning framework for hardware equipment and its implementations with transformers and on optical programming processors | — | 2024-12-24 |
| 9244266 | Tunable optical filter and method of manufacture thereof | — | 2016-01-26 |
| 8934164 | Tunable optical filter and method of manufacture thereof | — | 2015-01-13 |
| 8559090 | Tunable optical filter and method of manufacture thereof | — | 2013-10-15 |
| 8049894 | Multiple wavelength optical analyzer device | Zhengda Pang, Yonghong Guo | 2011-11-01 |
| 8036506 | Multi-fiber section tunable optical filter | — | 2011-10-11 |
| 7362504 | Miniature circulator devices and methods for making the same | Ming Zhou, Hong-Xi Zhang, Feng Zhou | 2008-04-22 |
| 7130121 | Erbium-doped fiber amplifier and integrated module components | Xiangdong Qiu, Kejian Guan, Mingjie Zhang | 2006-10-31 |
| 7058257 | Miniature WDM add/drop multiplexer and method of manufacture thereof | Yousheng Wu | 2006-06-06 |
| 7044660 | Erbium-doped fiber amplifier and integrated circuit module components | Xiangdong Qiu, Kejian Guan, Mingjie Zhang | 2006-05-16 |
| 7035501 | Cholesteric liquid crystal cell devices and systems | Hai-Ming Wu | 2006-04-25 |
| 6987611 | Miniature circulator devices and methods for making the same | Ming Zhou, Hong-Xi Zhang, Feng Zhou | 2006-01-17 |
| 6922281 | Erbium-doped fiber amplifier and integrated module components | Xiangdong Qiu, Kejian Guan, Mingjie Zhang | 2005-07-26 |
| 6834137 | Cholesteric liquid crystal cell devices and systems | Hai-Ming Wu | 2004-12-21 |
| 6813416 | Miniature fiberoptic filter and method of manufacture therefor | — | 2004-11-02 |
| 6801183 | Temperature compensation for liquid crystal cell optical devices | Xiangdong Qiu, Hai-Ming Wu | 2004-10-05 |
| 6795242 | Miniature circulator devices and methods for making the same | Ming Zhou, Hong-Xi Zhang, Feng Zhou | 2004-09-21 |
| 6785431 | Miniature circulator array devices and methods for making the same | Ming Zhou, Hong-Xi Zhang, Feng Zhou | 2004-08-31 |
| 6646753 | In-situ thickness and refractive index monitoring and control system for thin film deposition | Jian Zhang | 2003-11-11 |
| 6606446 | Miniature variable attenuator | Ronggui Shen, Jingyu Xu | 2003-08-12 |
| 6459844 | Tunable fiber optic filter | — | 2002-10-01 |
| 6317539 | Interleaved sampled and chirped optical waveguide gratings for WDM channel operations and resulting devices | Wei-Hung Loh, Feng Zhou | 2001-11-13 |
| 6289156 | Low cost fiber optic circulator | Feng ZHOU | 2001-09-11 |
| 6275511 | Overlapping multiple fiber Bragg gratings | Yuan Shi | 2001-08-14 |
| 6249625 | Fiberoptic devices with a joined optical fiber subassembly | — | 2001-06-19 |