Zhang; Joy Y.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Zhang; Joy Y..The latest application filed is for "low input bias current chopping switch circuit and method".

Company Profile

0.7.7

Zhang; Joy Y. - Tucson AZ
Zhang; Joy Y. - Tuscon AZ

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Low Input Bias Current Chopping Switch Circuit And Method App 20110316621 - Burt; Rodney T. ; et al.	2011-12-29
Low input bias current chopping switch circuit and method Grant 8,072,262 - Burt , et al. December 6, 2	2011-12-06
Slew rate and settling time improvement circuitry and method for 3-stage amplifier Grant 7,733,169 - Zhang , et al. June 8, 2	2010-06-08
Slew rate and settling time improvement circuitry and method for 3-stage amplifier App 20090278597 - Zhang; Joy Y. ; et al.	2009-11-12
Circuit and method for switching active loads of operational amplifier input stage Grant 7,375,585 - Trifonov , et al. May 20, 2	2008-05-20
Notch filter for ripple reduction in chopper stabilized amplifiers Grant 7,292,095 - Burt , et al. November 6, 2	2007-11-06
Notch filter for ripple reduction in chopper stabilized amplifiers App 20070170981 - Burt; Rodney T. ; et al.	2007-07-26
Method and circuit for reduced setting time in an amplifier Grant 7,205,833 - Burt , et al. April 17, 2	2007-04-17
Circuit and method for switching active loads of operational amplifier input stage App 20060244532 - Trifonov; Dimitar T. ; et al.	2006-11-02
Output stage circuit for an operational amplifier Grant 7,042,290 - Zhang , et al. May 9, 2	2006-05-09
Output stage circut for an operational amplifier App 20050225391 - Zhang, Joy Y. ; et al.	2005-10-13
Method and circuit for overload recovery of an amplifier Grant 6,897,731 - Zhang , et al. May 24, 2	2005-05-24
Method And Circuit For Overload Recovery Of An Amplifier App 20050088240 - Zhang, Joy Y. ; et al.	2005-04-28
Output stage circuit for an operational amplifier App 20050057307 - Zhang, Joy Y. ; et al.	2005-03-17

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.