Patent | Date |
---|
Digital signal processing in mud pulse telemetry Grant 11,448,065 - Zhang , et al. September 20, 2 | 2022-09-20 |
Speaker Apparatus App 20220053264 - SUN; Kunmao ;   et al. | 2022-02-17 |
Polyether Polyol Refining Method And Refining Apparatus App 20210275941 - LI; Zhijun ;   et al. | 2021-09-09 |
Digital Signal Processing In Mud Pulse Telemetry App 20200208512 - Zhang; Yumin ;   et al. | 2020-07-02 |
Devices and methods for digital signal processing in mud pulse telemetry Grant 10,619,479 - Zhang , et al. | 2020-04-14 |
Devices and methods for filtering pump interference in mud pulse telemetry Grant 10,502,052 - Barak , et al. Dec | 2019-12-10 |
Devices And Methods For Filtering Pump Interference In Mud Pulse Telemetry App 20180298749 - BARAK; Ehud ;   et al. | 2018-10-18 |
Packet header protection for utility networks Grant 10,103,840 - Zhang , et al. October 16, 2 | 2018-10-16 |
Scalable Communication System For Hydrocarbon Wells App 20180156031 - Tran; Thanh T. ;   et al. | 2018-06-07 |
Devices And Methods For Digital Signal Processing In Mud Pulse Telemetry App 20170234125 - ZHANG; Yumin ;   et al. | 2017-08-17 |
DRC-based hotspot detection considering edge tolerance and incomplete specification Grant 9,594,867 - Yu , et al. March 14, 2 | 2017-03-14 |
Single-ended memory signal equalization at power up Grant 9,589,626 - Liu , et al. March 7, 2 | 2017-03-07 |
DRC-Based Hotspot Detection Considering Edge Tolerance And Incomplete Specification App 20160125120 - Yu; Yen Ting ;   et al. | 2016-05-05 |
Packet Header Protection For Utility Networks App 20160087754 - Zhang; Yumin ;   et al. | 2016-03-24 |
Packet header protection for utility networks Grant 9,231,732 - Zhang , et al. January 5, 2 | 2016-01-05 |
Packet Header Protection For Utility Networks App 20150100856 - Zhang; Yumin ;   et al. | 2015-04-09 |
Apparatuses and methods responsive to output variations in voltage regulators Grant 8,773,096 - Wang , et al. July 8, 2 | 2014-07-08 |
Adaptive reference voltage generators that support high speed signal detection Grant 8,754,673 - Wang , et al. June 17, 2 | 2014-06-17 |
Method and apparatus for reducing crowbar current and controlling slew rate Grant 8,723,573 - Wang , et al. May 13, 2 | 2014-05-13 |
Apparatuses And Methods Responsive To Output Variations In Voltage Regulators App 20130257402 - Wang; Shawn ;   et al. | 2013-10-03 |
Macroporous Absorbent Resin For Extracting Cephalosporin C And Method Of Preparation App 20110288191 - Wang; Ling ;   et al. | 2011-11-24 |
Method and apparatus for adaptively coding a data signal Grant 6,968,494 - Zhang November 22, 2 | 2005-11-22 |
Method and apparatus for equalizing strong pre-echoes in a multi-path communication channel App 20050180558 - Zhang, Yumin | 2005-08-18 |
System and method for decoding noise-corrupted reed-solomon codes and communications terminal incorporating the same App 20040194002 - Zhang, Yumin | 2004-09-30 |
Method and apparatus for reducing channel distortion in a wireless communications network Grant 6,754,872 - Zhang , et al. June 22, 2 | 2004-06-22 |
Pyrroloquinoline quinone drugs as a neuroprotectant and methods of use thereof App 20030229114 - Rosenberg, Paul A. ;   et al. | 2003-12-11 |
Method and apparatus for reducing channel distortion in a wireless communications network App 20010047503 - Zhang, Yumin | 2001-11-29 |
Method and apparatus for adaptively coding a data signal App 20010037485 - Zhang, Yumin | 2001-11-01 |