Issued Patents All Time
Showing 1–25 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11973476 | Chopper amplifiers with low intermodulation distortion | Casper Thije Rooijers, Kofi A. A. Makinwa | 2024-04-30 |
| 10033369 | Fully capacitive coupled input choppers | Qinwen Fan, Kofi Afolabi Anthony Makinwa | 2018-07-24 |
| 9294049 | Fast-settling capacitive-coupled amplifiers | Qinwen Fan, Kofi Afolabi Anthony Makinwa, Daihong Fu, Jun Wu, Lixia Zhou | 2016-03-22 |
| 9143092 | Fully capacitive coupled input choppers | Qinwen Fan, Kofi Afolabi Anthony Makinwa | 2015-09-22 |
| 8179195 | Current-feedback instrumentation amplifiers | Rong-Fu Wu, Kofi Afolabi Anthony Makinwa | 2012-05-15 |
| 8120422 | Ripple reduction loop for chopper amplifiers and chopper-stabilized amplifiers | Kofi Afolabi Anthony Makinwa, Rong-Fu Wu | 2012-02-21 |
| 7696817 | Auto-gain correction and common mode voltage cancellation in a precision amplifier | Richard Edward Boucher | 2010-04-13 |
| 7674035 | Digital temperature sensors and calibration thereof | Michiel Pertijs | 2010-03-09 |
| 7535295 | Chopper stabilized amplifiers combining low chopper noise and linear frequency characteristics | Kofi A. A. Makinwa, Johan Frederik Witte | 2009-05-19 |
| 7446598 | Bias circuits | Michiel Pertijs | 2008-11-04 |
| 7391351 | Bitstream controlled reference signal generation for a sigma-delta modulator | Michiel Pertijs, Kofi Afolabi Anthony Makinwa | 2008-06-24 |
| 7209000 | Frequency stabilization of chopper-stabilized amplifiers | Maarten Jeroen Fonderie, Behzad Shahi | 2007-04-24 |
| 7202738 | Accurate voltage to current converters for rail-sensing current-feedback instrumentation amplifiers | Behzad Shahi | 2007-04-10 |
| 7132883 | Chopper chopper-stabilized instrumentation and operational amplifiers | Behzad Shahi | 2006-11-07 |
| 6911864 | Circuit, including feedback, for reducing DC-offset and noise produced by an amplifier | Anthonius Bakker | 2005-06-28 |
| 6734723 | Chopper chopper-stabilized operational amplifiers and methods | Maarten Jeroen Fonderie | 2004-05-11 |
| 6559720 | GM-controlled current-isolated indirect-feedback instrumentation amplifier | Behzad Shahi | 2003-05-06 |
| 6542020 | Non-linear signal correction | Michiel A. P. Pertus, Anthonius Bakker | 2003-04-01 |
| 6542030 | Amplifier with stabilization means | Klaas-Jan De Langen | 2003-04-01 |
| 6456145 | Non-linear signal correction | Michiel Pertijs, Anthonius Bakker | 2002-09-24 |
| 6366165 | Amplifier with stabilization means | Klaas-Jan De Langen | 2002-04-02 |
| 6262626 | Circuit comprising means for reducing the DC-offset and the noise produced by an amplifier | Anthonius Bakker | 2001-07-17 |
| 6218894 | Voltage and/or current reference circuit | Klaas-Jan De Langen | 2001-04-17 |
| 6198267 | Current generator for delivering a reference current of which the value is proportional to the absolute temperature | Anthonius Bakker | 2001-03-06 |
| 6118341 | Device with common mode feedback for a differential output | Behzad Shahi | 2000-09-12 |