Cha; Jeongwon

Patent Applications and Registrations

Patent applications and USPTO patent grants for Cha; Jeongwon.The latest application filed is for "adaptive bias circuit for a radio frequency (rf) amplifier".

Company Profile

0.4.6

Cha; Jeongwon - San Diego CA
Cha; Jeongwon - Duluth GA

*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
Adaptive bias circuit for a radio frequency (RF) amplifier Grant 10,069,469 - Kim , et al. September 4, 2	2018-09-04
Adaptive Bias Circuit For A Radio Frequency (RF) Amplifier App 20170222608 - Kim; Woonyun ; et al.	2017-08-03
Multi-mode multi-band power amplifiers Grant 9,160,377 - Lee , et al. October 13, 2	2015-10-13
Multi-mode Multi-band Power Amplifiers App 20150050901 - Lee; Chang-Ho ; et al.	2015-02-19
Adjustable gain for multi-stacked amplifiers Grant 8,928,415 - Cha , et al. January 6, 2	2015-01-06
Adapative Power Amplifier App 20140266448 - Cha; Jeongwon ; et al.	2014-09-18
Adjustable Gain For Multi-stacked Amplifiers App 20140139288 - Cha; Jeongwon ; et al.	2014-05-22
Systems, Methods, and Apparatuses for Negative-Charge-Pump-Based Antenna Switch Controllers Utilizing Battery Supplies App 20130029614 - Cho; Changhyuk ; et al.	2013-01-31
Systems, methods, and apparatuses for complementary metal oxide semiconductor (CMOS) driver circuits using shared-charge recycling charge pump structures Grant 8,334,708 - Cha , et al. December 18, 2	2012-12-18

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