Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12092875 | Rotatable capsule for a fiber optic rotary joint | Hong Zhang | 2024-09-17 |
| 11953126 | Fluid rotary joint assembly suitable for high rotational speed | Hong Zhang, Joe Ritacco | 2024-04-09 |
| 11309673 | Slip ring system for high speed applications | Hong Zhang, Joe Ritacco | 2022-04-19 |
| 11289865 | High frequency slip ring with through bore | Hong Zhang, Joe Ritacco, Jingrong Shen | 2022-03-29 |
| 11143823 | Fiber optic slip ring with through bore | Hong Zhang, Liangju Lu | 2021-10-12 |
| 10133006 | Soft contacting rotational interface system for transmitting RF and optical signals concurrently across thereof | Hong Zhang, Joe Ritacco, Jingrong Shen | 2018-11-20 |
| 9927579 | De-rotating mechanism for off-axis fiber optic rotary joint | Hong Zhang | 2018-03-27 |
| 9634449 | Soft contacting rotational interface for RF rotary joint | Hong Zhang, Joe Ritacco, Jingrong Shen | 2017-04-25 |
| 9335485 | Using an optical expander/condenser to achieve a compact beam structure for a multi-channel optical rotary joint | Hong Zhang, Louis D. Violante | 2016-05-10 |
| 9263838 | Slip ring for high speed data transmission | Hong Zhang, Jingrong Shen, Joe Ritacco | 2016-02-16 |
| 9102405 | Cable-tethered helicopter surveillance system | Zelei Guan, Hong Zhang, Louis D. Violante | 2015-08-11 |
| 9096302 | Hydrogen replenished lighter-than-air vehicle and method to replenish hydrogen | Hong Zhang, Louis D. Violante | 2015-08-04 |
| 8965151 | Low insertion loss, low back reflection fiber optic rotary joint with increased data throughput | Hong Zhang, Louis D. Violante | 2015-02-24 |
| 8944698 | Compact, tunable, submersible dry mate n-pin optical connector | Hong Zhang, Louis D. Violante | 2015-02-03 |
| 8693822 | Limited rotation fiber optic rotary joint | Hong Zhang, Louis D. Violante | 2014-04-08 |
| 8554029 | Through-bore fiber optic slipring | Hong Zhang, Louis D. Violante | 2013-10-08 |
| 8417075 | Multi-channel electro-magnetic rotary joint using a trapezoidal metamaterial de-rotating mechanism | Louis D. Violante, Hong Zhang | 2013-04-09 |
| 8380024 | Integrated electro-optical fluid rotary joint | Hong Zhang, Louis D. Violante | 2013-02-19 |
| 8355607 | Fiber optic rotary joint mechanism | Hong Zhang | 2013-01-15 |
| 7881569 | Two-channel plastic optical fiber (POF) rotary joint | Hong Zhang | 2011-02-01 |
| 7792400 | Off-axis fiber optic slip ring | Hong Zhang | 2010-09-07 |
| 7515782 | Two-channel, dual-mode, fiber optic rotary joint | Hong Zhang | 2009-04-07 |
| 7491114 | Fiber optic polisher | Hong Zhang | 2009-02-17 |
| 7485070 | Anti-backlash planetary gearing for optic rotary joint | Hong Zhang | 2009-02-03 |
| 7359584 | Polarization beam separator and combiner | Pingfan Wu, Liang-Ju Lu, Zhicheng Yang | 2008-04-15 |