Chu; Qingchen
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chu; Qingchen.The latest application filed is for "lightweight antenna unit, lightweight array antenna, and assembly method for antenna unit".
- Chu; Qingchen - Zhongshan CN
- Chu; Qingchen - Shenzhen CN
- CHU; Qingchen - Zhongshan City CN
- Chu; Qingchen - Guangdong Province CN
- Chu; Qingchen - Guangdong CN
- Chu; Qingchen - Guangdong Provice CN
| Patent | Date |
|---|---|
| Base station antenna and antenna array module thereof Grant 11,205,836 - Chu , et al. December 21, 2 | 2021-12-21 |
| Antenna system and assembly method thereof, and base-station array antenna Grant 11,108,138 - Chu , et al. August 31, 2 | 2021-08-31 |
| Antenna Grant 11,024,978 - Liu , et al. June 1, 2 | 2021-06-01 |
| Filter feeding network and base station antenna Grant 10,886,634 - Zhao , et al. January 5, 2 | 2021-01-05 |
| Lightweight Antenna Unit, Lightweight Array Antenna, And Assembly Method For Antenna Unit App 20200412010 - Chu; Qingchen ; et al. | 2020-12-31 |
| Antenna Device And Low-profile Antenna App 20200412008 - Liu; Jianchuan ; et al. | 2020-12-31 |
| Antenna App 20200412013 - Liu; Jianchuan ; et al. | 2020-12-31 |
| Radiating Device And Base Station Antenna App 20200411963 - Han; Li ; et al. | 2020-12-31 |
| Antenna System And Assembly Method Thereof, And Base-station Array Antenna App 20200411968 - Chu; Qingchen ; et al. | 2020-12-31 |
| Wireless Access Device App 20200411965 - Chu; Qingchen ; et al. | 2020-12-31 |
| Antenna calibration network system, antenna calibration network and MIMO antenna Grant 10,826,625 - Chu , et al. November 3, 2 | 2020-11-03 |
| Base Station Antenna And Antenna Array Module Thereof App 20200313285 - CHU; Qingchen ; et al. | 2020-10-01 |
| Filter Feeding Network And Base Station Antenna App 20190207325 - ZHAO; Wei ; et al. | 2019-07-04 |
| General charging method Grant 7,590,228 - Lu , et al. September 15, 2 | 2009-09-15 |
| Method of implementing account charging and account charging system Grant 7,526,075 - Guo , et al. April 28, 2 | 2009-04-28 |
| General charging method App 20080065571 - LU; Zhijian ; et al. | 2008-03-13 |
| General charging method Grant 7,313,230 - Lu , et al. December 25, 2 | 2007-12-25 |
| Method For Implementing Account Charging And Account Charging System App 20070274481 - Guo; Xiaozheng ; et al. | 2007-11-29 |
| General charging method App 20060253292 - Lu; Zhijian ; et al. | 2006-11-09 |
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