Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12363931 | Bipolar transistor having collector with doping concentration grading | Kai Hay Kwok, Cristian Cismaru, Guoliang Zhou | 2025-07-15 |
| 12113125 | Bipolar transistor having collector with doping concentration discontinuity | Kai Hay Kwok, Cristian Cismaru, Guoliang Zhou | 2024-10-08 |
| 10249617 | Tunable device having a FET integrated with a BJT | Bin Li, Peter J. Zampardi, Jr. | 2019-04-02 |
| 9525078 | Tunable device having a FET integrated with a BJT | Bin Li, Peter J. Zampardi, Jr. | 2016-12-20 |
| 9294055 | Circuit and method for biasing a gallium arsenide (GaAs) power amplifier | Ziv Alon, Shiaw Wen Chang | 2016-03-22 |
| 9059332 | Continuous tunable LC resonator using a FET as a varactor | Bin Li, Peter J. Zampardi, Jr. | 2015-06-16 |
| 8554161 | Circuit and method for biasing a gallium arsenide (GaAs) power amplifier | Ziv Alon, Shiaw Wen Chang | 2013-10-08 |
| 8350418 | Circuit and method for generating a reference voltage | Anise Muhammed Azizad, Aleksey A. Lyalin, Peter Phu Tran | 2013-01-08 |
| 7869775 | Circuit and method for biasing a gallium arsenide (GaAs) power amplifier | Ziv Alon, Shiaw Wen Chang | 2011-01-11 |
| 7262657 | Bias control for reducing amplifier power consumption and maintaining linearity | Keith Nellis, Grant Small, Michael L. Hageman, Terry J. Shie, Kerry Burger | 2007-08-28 |
| 7193460 | Circuit for controlling power amplifier quiescent current | Amish Naik, Thomas Fowler | 2007-03-20 |
| 7046087 | Quiescent current control circuit for power amplifiers | Amish Naik, Thomas Fowler | 2006-05-16 |
| 6636077 | High isolation, low power high speed multiplexer circuit | Charles E. Chang | 2003-10-21 |
| 4980130 | System for preparation of samples for analysis | Peter Grimm, Andre J. Nohl, Vance J. Nau | 1990-12-25 |
| 4925628 | Sample preparation chamber with mixer/grinder and sample aliquot isolation | Peter Grimm, Andre J. Nohl, Vance J. Nau | 1990-05-15 |
| 4900683 | Process for preparation of samples for analysis | Peter Grimm, Andre J. Nohl, Vance J. Nau | 1990-02-13 |
| 4894345 | Process for preparation of samples for analysis | Peter Grimm, Andre J. Nohl, Vance J. Nau | 1990-01-16 |
| 4866996 | Sample metering valve for a sample preparation system | Andre J. Nohl, Vance J. Nau | 1989-09-19 |
| 4859605 | Process for preparation of samples for analysis | Peter Grimm, Andre J. Nohl, Vance J. Nau | 1989-08-22 |
| 4836037 | Sample metering valve for a sample preparation system | Andre J. Nohl, Vance J. Nau | 1989-06-06 |
| 4823622 | Sample metering valve for a sample preparation system | Andre J. Nohl, Vance J. Nau | 1989-04-25 |
| 4792434 | Sample preparation chamber with mixer/grinder and sample aliquot isolation | Peter Grimm, Andre J. Nohl, Vance J. Nau | 1988-12-20 |