Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9014576 | Automatic dual receiver in a multi-wavelength fiber optic system | Marcel F. Schemmann, Venk Mutalik, Zhijian Sun | 2015-04-21 |
| 8917986 | Extended range for CWDM optical transport | Venk Mutalik, Marcel F. Schemmann, Zhijian Sun | 2014-12-23 |
| 8411371 | Compact zoom lens | Jun Li, Zi-Yuan Li, Xiao-Tian Kang, Jian Zhang | 2013-04-02 |
| 8314997 | Compact zoom lens barrel | Jian Zhang, CHIH-JUNG WU, Sheng-An Wang | 2012-11-20 |
| 8248711 | Zoom lens | Zi-Yuan Li, Bin Lei, Xiao-Tian Kang, Jian Zhang, Jun Li | 2012-08-21 |
| 8064777 | Four quadrant linearizer | Venkatesh G. Mutalik, Marcel F. Schemmann | 2011-11-22 |
| 7999631 | Anti-parallel PI PIN attenuator structure with improved CSO performance | Marcel F. Schemmann, Zhijian Sun | 2011-08-16 |
| 7916400 | Compact zoom lens | Zi-Yuan Li, Bin Lei, Xiao-Tian Kang, Jian Zhang | 2011-03-29 |
| 7791820 | Retractable zoom lens | Zi-Yuan Li, Bin Lei | 2010-09-07 |