Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1059977 | Weed puller | — | 2025-02-04 |
| 11815153 | Passive motion isolation system | Norm GARDNER, Ernest M. LEOS, Augie RAMIREZ, Nan Luo, Sajanish BALAGOPAL +1 more | 2023-11-14 |
| D982992 | Weed puller | — | 2023-04-11 |
| 9366824 | Optical circuit switch with integral circulators | Nan Luo, Changbao Ma | 2016-06-14 |
| 9213143 | Making connections through an optical circuit switch | Jitender Miglani, Mchael Deacon, Vijayan Thattai, Sushma Sagaram | 2015-12-15 |
| 9063288 | Optical circuit switch with integral circulators | Nan Luo, Changbao Ma | 2015-06-23 |
| 8822906 | Multichannel optical power meter using free space beam sampling | Roger Helkey, Nitin Kataria | 2014-09-02 |
| 7676125 | Method and apparatus to provide multi-channel bulk fiber optical power detection | Xuezhe Zheng, Roger Helkey, Marduke Yousepfor, Charles M. Corbalis, Chandrasekhar Pusarla | 2010-03-09 |
| 7529441 | Wavelength routing optical switch | Roger Helkey, Xuezhe Zheng | 2009-05-05 |
| 7254293 | Wavelength routing optical switch | Roger Helkey, Xuezhe Zheng | 2007-08-07 |
| 7127137 | Optical switch with adjustable optical loss | John E. Bowers, Roger Helkey, Xuezhe Zheng, James R. Sechrist | 2006-10-24 |
| 6904195 | Optical switch with adjustable optical loss | John E. Bowers, Roger Helkey, Xuezhe Zheng, James R. Sechrist | 2005-06-07 |
| 6819815 | Method and apparatus for indirect adjustment of optical switch reflectors | Charles M. Corbalis, John E. Bowers, David E. Welsh, Roger Helkey | 2004-11-16 |
| 6597825 | Optical tap for an optical switch | Xuezhe Zheng | 2003-07-22 |
| 6160665 | High extinction ratio polarization beamsplitter | — | 2000-12-12 |