Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1095811 | Handheld fan | — | 2025-09-30 |
| D1080098 | Brushware cleaner | — | 2025-06-17 |
| 12144096 | Method for measuring electron nonextensive parameter of plasma using nonextensive statistical mechanics | Huibin Qiu, Donghua Xiao, Xingkun Peng, Yuqing Zhu, Xianyang Zhang +7 more | 2024-11-12 |
| 10424224 | Glove for use in collecting data for sign language recognition | Ben Wang, Xiaohua Jiang, Hong Luo, Liu Ren, Jianjie Zhang +3 more | 2019-09-24 |
| 10342413 | Sheathed duodenoscope | Kerang Jiang, Xiangyang Wu, Chong Chen, Jian Zhang, Ming Xu | 2019-07-09 |
| 7173963 | Method and apparatus for identifying the encoding type of a central office codec | Xuming Zhang | 2007-02-06 |
| 6614839 | Method and apparatus for identifying the encoding type of a central office codec | Xuming Zhang | 2003-09-02 |
| 6574280 | Method and apparatus for detecting and determining characteristics of a digital channel in a data communication system | Thomas C. Liau, Jason B. Brent | 2003-06-03 |
| 6438158 | Method and apparatus for implementing enhanced multiple modulus conversion techniques in a signal point mapping context | Xuming Zhang, Yuanjie Chen | 2002-08-20 |
| 6381266 | Method and apparatus for identifying the encoding type of a central office codec | Xuming Zhang | 2002-04-30 |
| 6317419 | Method and apparatus for training an echo canceler in a PCM modem context | Sverrir Olafsson | 2001-11-13 |
| 6278744 | System for controlling and shaping the spectrum and redundancy of signal-point limited transmission | Sverrir Olafsson, Xuming Zhang | 2001-08-21 |
| 6192087 | Method and apparatus for spectral shaping in signal-point limited transmission systems | Sverrir Olafsson, Xuming Zhang | 2001-02-20 |
| 6034991 | Method and apparatus for implementing enhanced multiple modulus conversion techniques in a signal point mapping context | Xuming Zhang, Yuanjie Chen | 2000-03-07 |
| 5970100 | System for controlling and shaping the spectrum and redundancy of signal-point limited transmission | Sverrir Olafsson, Xuming Zhang | 1999-10-19 |