Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12076673 | Filter element mounting structure | Guo Liu | 2024-09-03 |
| 12011683 | Filter element butt joint mechanism | Guo Liu | 2024-06-18 |
| 12013049 | Concentrated water regulating valve | Guo Liu | 2024-06-18 |
| 11946556 | Valve body | Guo Liu | 2024-04-02 |
| 11247174 | Drainage device and system for controlling discharging of concentrated water in water purification process | Guo Liu | 2022-02-15 |
| 10334492 | Method, apparatus and system for key derivation | Min Huang, Jing Chen, Aiqin Zhang | 2019-06-25 |
| 9661539 | Method, apparatus and system for key derivation | Min Huang, Jing Chen, Aiqin Zhang | 2017-05-23 |
| 9125116 | Method, apparatus and system for key derivation | Min Huang, Jing Chen, Aiqin Zhang | 2015-09-01 |
| 9049594 | Method and device for key generation | Xinyi Chen, Dongmei Zhang, Lijia Zhang | 2015-06-02 |
| 8990261 | Quick data entry lanes for touch screen mobile devices | Chun-Yi Chen, Aylin Uysal, Brent-Kaan William White, Sivaroop Tejaswi Peesapati | 2015-03-24 |
| 8934914 | Key separation method and device | — | 2015-01-13 |
| 8769283 | MTC device authentication method, MTC gateway, and related device | Yixian Xu, Yingxin Huang, Lijia Zhang | 2014-07-01 |
| 8713320 | Security authentication method, apparatus, and system | Yixian Xu, Yingxin Huang, Lijia Zhang | 2014-04-29 |
| 8706085 | Method and apparatus for authenticating communication device | Lijia Zhang, Yixian Xu, Yingxin Huang, Meriau Laurence | 2014-04-22 |
| 8527904 | Quick data entry lanes for touch screen mobile devices | Chun-Yi Chen, Aylin Uysal, Brent-Kaan William White, Sivaroop Tejaswi Peesapati | 2013-09-03 |
| 8452318 | Method and systems for power overload control of the trunking group forward supplemental channel | Xuemin Liu | 2013-05-28 |
| 8320568 | Method, apparatus and system for key derivation | Min Huang, Jing Chen, Aiqin Zhang | 2012-11-27 |
| 8019083 | Method, apparatus and system for key derivation | Min Huang, Jing Chen, Aiqin Zhang | 2011-09-13 |
| 7936880 | Method, apparatus and system for key derivation | Min Huang, Jing Chen, Aiqin Zhang | 2011-05-03 |
| 7840231 | Method to adjust forward transmission power control threshold in mobile communication system | Xuemin Liu, Xin Li | 2010-11-23 |
| 7783319 | Adjustment method for control threshold of terminal forward transmission power in a mobile communication system | Xuemin Liu, Xin Li | 2010-08-24 |