Issued Patents All Time
Showing 26–50 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8538493 | Mobile wireless communications device including a self-contained rechargeable battery pack with filter and related methods | Lizhong Zhu, George Mankaruse | 2013-09-17 |
| 8526535 | Mobile wireless communications device with separate in-phase (I) and quadrature (Q) phase power amplification and power amplifier pre-distortion and IQ balance compensation | Lizhong Zhu, George Mankaruse, Perry Jarmuszewski, Oleksiy Kravets, Kent Arnold Nickerson +1 more | 2013-09-03 |
| 8498588 | Mobile wireless communications device with reduced microphone noise from radio frequency communications circuitry | George Mankaruse, Lizhong Zhu | 2013-07-30 |
| 8489161 | Mobile wireless communications device with reduced interfering energy into audio circuit and related methods | Lizhong Zhu, George Mankaruse, Perry Jarmuszewski | 2013-07-16 |
| 8483778 | Mobile communication device employing power pack with multiple pairs of taps | George Mankaruse, Lizhong Zhu | 2013-07-09 |
| 8451941 | Communications device with separate I and Q phase power amplification having selective phase and magnitude adjustment and related methods | Lizhong Zhu, George Mankaruse, Perry Jarmuszewski, Oleksiy Kravets, Kent Arnold Nickerson +1 more | 2013-05-28 |
| 8446333 | Mobile wireless communications device with reduced interfering RF energy into RF metal shield secured on circuit board | Lizhong Zhu, Robert Grant, Liviu George, Perry Jarmuszewski | 2013-05-21 |
| 8417299 | Telephone system having reduced sensitivity to RF interference and related methods | Lizhong Zhu, George Mankaruse, Perry Jarmuszewski | 2013-04-09 |
| 8391933 | Portable audio device having reduced sensitivity to RF interference and related methods | Lizhong Zhu, George Mankaruse | 2013-03-05 |
| 8385990 | Mobile wireless communications device having improved RF immunity of audio transducers to electromagnetic interference (EMI) | Lizhong Zhu, George Mankaruse | 2013-02-26 |
| 8362834 | System and method for controlling radio frequency transmissions from an electronic device | Lizhong Zhu, George Mankaruse, Jun Xu, Kent Arnold Nickerson | 2013-01-29 |
| 8359076 | Mobile wireless communications device having improved antenna impedance match and antenna gain from RF energy | Lizhong Zhu, Yihong Qi, Krystyna Bandurska, Ying Tong Man | 2013-01-22 |
| 8346199 | Mobile wireless communications device with reduced microphone noise from radio frequency communications circuitry | George Mankaruse, Lizhong Zhu | 2013-01-01 |
| 8315578 | Mobile wireless communications device with separate in-phase and quadrature power amplification | Lizhong Zhu, George Mankaruse, Perry Jarmuszewski | 2012-11-20 |
| 8314747 | Mobile wireless communications device with reduced interfering RF energy into RF metal shield secured on circuit board | Lizhong Zhu, Robert Grant, Liviu George, Perry Jarmuszewski | 2012-11-20 |
| 8285343 | Wireless headset having improved RF immunity to RF electromagnetic interference produced from a mobile wireless communications device | Lizhong Zhu, George Mankaruse | 2012-10-09 |
| 8275329 | Mobile wireless communications device with reduced harmonics resulting from metal shield coupling | Lizhong Zhu, George Mankaruse | 2012-09-25 |
| 8269554 | System and method for controlling radio frequency transmissions from an electronic device | Lizhong Zhu, George Mankaruse, Jun Xu, Kent Arnold Nickerson | 2012-09-18 |
| 8265312 | Hearing aid having improved RF immunity to RF electromagnetic interference produced from a wireless communications device | Lizhong Zhu, George Mankaruse | 2012-09-11 |
| 8249671 | Mobile wireless communications device having improved RF immunity of audio transducers to electromagnetic interference (EMI) | Lizhong Zhu, George Mankaruse | 2012-08-21 |
| 8244234 | System and method of measuring total radiated power from mobile wireless communications device | Lizhong Zhu, Perry Jarmuszewski, Ying Tong Man, George Mankaruse, Yihong Qi | 2012-08-14 |
| 8244306 | Mobile wireless communications device with reduced interfering energy from the display and related methods | Lizhong Zhu, Perry Jarmuszewski, Liviu George, George Mankaruse, James Robinson +1 more | 2012-08-14 |
| 8244310 | Mobile communication device employing power pack with multiple pairs of taps | George Mankaruse, Lizhong Zhu | 2012-08-14 |
| 8223885 | Mobile wireless communications device with separate In-phase (I) and Quadrature (Q) phase power amplification and power amplifier pre-distortion and IQ balance compensation | Lizhong Zhu, George Mankaruse, Perry Jarmuszewski, Oleksiy Kravets, Kent Arnold Nickerson +1 more | 2012-07-17 |
| 8190112 | Mobile wireless communications device with reduced microphone noise from radio frequency communications circuitry | George Mankaruse, Lizhong Zhu | 2012-05-29 |