Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9335485 | Using an optical expander/condenser to achieve a compact beam structure for a multi-channel optical rotary joint | Boying B. Zhang, Hong Zhang | 2016-05-10 |
| 9102405 | Cable-tethered helicopter surveillance system | Boying B. Zhang, Zelei Guan, Hong Zhang | 2015-08-11 |
| 9096302 | Hydrogen replenished lighter-than-air vehicle and method to replenish hydrogen | Boying B. Zhang, Hong Zhang | 2015-08-04 |
| 8965151 | Low insertion loss, low back reflection fiber optic rotary joint with increased data throughput | Hong Zhang, Boying B. Zhang | 2015-02-24 |
| 8944698 | Compact, tunable, submersible dry mate n-pin optical connector | Boying B. Zhang, Hong Zhang | 2015-02-03 |
| 8693822 | Limited rotation fiber optic rotary joint | Boying B. Zhang, Hong Zhang | 2014-04-08 |
| 8554029 | Through-bore fiber optic slipring | Hong Zhang, Boying B. Zhang | 2013-10-08 |
| 8417075 | Multi-channel electro-magnetic rotary joint using a trapezoidal metamaterial de-rotating mechanism | Boying B. Zhang, Hong Zhang | 2013-04-09 |
| 8380024 | Integrated electro-optical fluid rotary joint | Hong Zhang, Boying B. Zhang | 2013-02-19 |