Na; Yoo Sam
Patent Applications and Registrations
Patent applications and USPTO patent grants for Na; Yoo Sam.The latest application filed is for "bulk-acoustic wave filter device".
Company Profile
18.64.79
- Na; Yoo Sam - Suwon-si KR
- Na; Yoo Sam - Seoul KR
- NA; Yoo Sam - Gyunggi-do KR
- NA; Yoo Sam - Suwon KR
- - Gyunggi-do KR
Patent Activity
| Patent | Date |
|---|---|
| Electronic device with radio-frequency module Grant 11,335,991 - Kim , et al. May 17, 2 | 2022-05-17 |
| Bulk-acoustic Wave Filter Device App 20220116018 - PARK; Jang Ho ; et al. | 2022-04-14 |
| Apparatus with transmission route switching of radio frequency signals and radio frequency module Grant 11,228,337 - Yoo , et al. January 18, 2 | 2022-01-18 |
| Electronic Device With Radio-frequency Module App 20210313672 - KIM; Hak Gu ; et al. | 2021-10-07 |
| Apparatus With Transmission Route Switching Of Radio Frequency Signals And Radio Frequency Module App 20210306025 - YOO; Hyun Jin ; et al. | 2021-09-30 |
| Front-end Module App 20210242892 - JO; Kang Ta ; et al. | 2021-08-05 |
| Electronic Device With Radio-frequency Module App 20210143525 - KIM; Hak Gu ; et al. | 2021-05-13 |
| Amplification device with isolation characteristics Grant 10,979,007 - Cho , et al. April 13, 2 | 2021-04-13 |
| Radio-frequency switch with voltage equalization Grant 10,903,836 - Jo , et al. January 26, 2 | 2021-01-26 |
| Variable gain low noise amplifying apparatus with phase distortion compensation Grant 10,903,799 - Yoo , et al. January 26, 2 | 2021-01-26 |
| Inductor and low-noise amplifier including the same Grant 10,886,058 - Cho , et al. January 5, 2 | 2021-01-05 |
| Radio-frequency Switch With Voltage Equalization App 20200403613 - JO; Byeong Hak ; et al. | 2020-12-24 |
| Directional coupler circuit and power amplifying device with phase compensation function Grant 10,826,151 - Lim , et al. November 3, 2 | 2020-11-03 |
| Variable gain low noise amplifier with phase compensation Grant 10,826,442 - Yoo , et al. November 3, 2 | 2020-11-03 |
| Coupler circuit with phase compensation function Grant 10,778,175 - Lim , et al. Sept | 2020-09-15 |
| Inductor And Low-noise Amplifier Including The Same App 20200227201 - CHO; Hyung Jun ; et al. | 2020-07-16 |
| Low noise amplifier circuit with multiple-input multiple-output (MIMO) structure Grant 10,686,413 - Yoo , et al. | 2020-06-16 |
| Directional Coupler Circuit And Power Amplifying Device With Phase Compensation Function App 20200119424 - LIM; Jong Mo ; et al. | 2020-04-16 |
| Amplification Device With Isolation Characteristics App 20200059210 - CHO; Hyung Jun ; et al. | 2020-02-20 |
| Radio frequency switch circuit and apparatus having built-in coupler Grant 10,505,517 - Na , et al. Dec | 2019-12-10 |
| Radio frequency switching device for fast switching operation Grant 10,505,579 - Jo , et al. Dec | 2019-12-10 |
| Variable Gain Low Noise Amplifying Apparatus With Phase Distortion Compensation App 20190363680 - YOO; Hyun Jin ; et al. | 2019-11-28 |
| Coupler Circuit With Phase Compensation Function App 20190348961 - LIM; Jong Mo ; et al. | 2019-11-14 |
| Variable Gain Low Noise Amplifier With Phase Compensation App 20190341891 - YOO; Hyun Jin ; et al. | 2019-11-07 |
| Low Noise Amplifier Circuit With Multiple-input Multiple-output (mimo) Structure App 20190334488 - YOO; Hyun Hwan ; et al. | 2019-10-31 |
| Radio Frequency Switching Device For Fast Switching Operation App 20190245574 - JO; Byeong Hak ; et al. | 2019-08-08 |
| Radio frequency switch circuit Grant 10,305,467 - Kim , et al. | 2019-05-28 |
| Voltage dropping apparatus, voltage switching apparatus, and internal voltage supply apparatus using the same Grant 10,274,981 - Yoo , et al. | 2019-04-30 |
| Radio Frequency Switch Circuit And Apparatus Having Built-in Coupler App 20180316334 - NA; Yoo Sam ; et al. | 2018-11-01 |
| Antenna switch circuit with improved harmonic suppression characteristic Grant 10,050,609 - Yoo , et al. August 14, 2 | 2018-08-14 |
| Radio frequency switch circuit and apparatus having built-in coupler Grant 10,044,341 - Na , et al. August 7, 2 | 2018-08-07 |
| Radio Frequency Switch Circuit App 20180145679 - KIM; Yoo Hwan ; et al. | 2018-05-24 |
| Antenna Switch Circuit With Improved Harmonic Suppression Characteristic App 20180097511 - YOO; Hyun Jin ; et al. | 2018-04-05 |
| Voltage Dropping Apparatus, Voltage Switching Apparatus, And Internal Voltage Supply Apparatus Using The Same App 20180074534 - YOO; Hyun Hwan ; et al. | 2018-03-15 |
| Radio frequency switch circuit Grant 9,876,496 - Yoo , et al. January 23, 2 | 2018-01-23 |
| Radio Frequency Switch Circuit And Apparatus Having Built-in Coupler App 20180013407 - NA; Yoo Sam ; et al. | 2018-01-11 |
| Voltage dropping apparatus, voltage switching apparatus, and internal voltage supply apparatus using the same Grant 9,851,733 - Yoo , et al. December 26, 2 | 2017-12-26 |
| Radio frequency switch including filter circuit Grant 9,847,781 - Na , et al. December 19, 2 | 2017-12-19 |
| Radio frequency switch circuit and control method thereof Grant 9,628,070 - Jang , et al. April 18, 2 | 2017-04-18 |
| Radio frequency switch circuit Grant 9,531,375 - Na , et al. December 27, 2 | 2016-12-27 |
| Radio Frequency Switch Circuit App 20160285449 - YOO; Hyun Jin ; et al. | 2016-09-29 |
| Low-drop-output type voltage regulator and RF switching control device having the same Grant 9,389,626 - Kim , et al. July 12, 2 | 2016-07-12 |
| Radio Frequency Switch Circuit And Control Method Thereof App 20160156345 - JANG; Dae Seok ; et al. | 2016-06-02 |
| Voltage Dropping Apparatus, Voltage Switching Apparatus, And Internal Voltage Supply Apparatus Using The Same App 20160079843 - YOO; Hyun Hwan ; et al. | 2016-03-17 |
| Low-drop-output Type Voltage Regulator And Rf Switching Control Device Having The Same App 20160062376 - KIM; Yoo Hwan ; et al. | 2016-03-03 |
| Radio Frequency Switch Circuit App 20160049931 - NA; Yoo Sam ; et al. | 2016-02-18 |
| Radio frequency switching circuit and electronic device Grant 9,231,780 - Yoo , et al. January 5, 2 | 2016-01-05 |
| Radio frequency switching circuit with advanced isolation characteristics Grant 9,209,854 - Kim , et al. December 8, 2 | 2015-12-08 |
| RF switch Grant 9,197,253 - Yoo , et al. November 24, 2 | 2015-11-24 |
| Radio frequency switch Grant 9,197,280 - Yoo , et al. November 24, 2 | 2015-11-24 |
| Radio Frequency Switch App 20150326268 - YOO; Hyun Hwan ; et al. | 2015-11-12 |
| Radio Frequency Switch App 20150256147 - NA; Yoo Sam ; et al. | 2015-09-10 |
| Radio Frequency Switching Circuit And Electronic Device App 20150214931 - YOO; Hyun Jin ; et al. | 2015-07-30 |
| Rf Switch App 20150180465 - NA; Yoo Sam ; et al. | 2015-06-25 |
| Rf Switch App 20150133065 - YOO; Hyun Jin ; et al. | 2015-05-14 |
| Radio Frequency Switching Circuit With Advanced Isolation Characteristics App 20150118976 - KIM; Yoo Hwan ; et al. | 2015-04-30 |
| Power amplifier Grant 8,952,755 - Kim , et al. February 10, 2 | 2015-02-10 |
| Multi-band amplifier and method of amplifying multi-band Grant 8,830,000 - Jeong , et al. September 9, 2 | 2014-09-09 |
| Power amplifier Grant 8,803,607 - Son , et al. August 12, 2 | 2014-08-12 |
| Power amplifier module having bias circuit Grant 8,736,376 - Kim , et al. May 27, 2 | 2014-05-27 |
| Control Circuit And Apparatus For Digitally Controlled Oscillator App 20140035684 - NA; Yoo Sam ; et al. | 2014-02-06 |
| Power amplifier Grant 8,633,771 - Koo , et al. January 21, 2 | 2014-01-21 |
| Analog-to-digital Signal Conversion Method And Apparatus Therefor App 20140009317 - NA; Yoo Sam ; et al. | 2014-01-09 |
| Digitally Controlled Oscillator Having Improved Linearity App 20140002204 - KIM; Yoo Hwan ; et al. | 2014-01-02 |
| Analog-to-digital signal conversion method and apparatus therefor Grant 8,618,972 - Na , et al. December 31, 2 | 2013-12-31 |
| Analog-to-digital signal conversion method and apparatus therefor Grant 08618972 - | 2013-12-31 |
| Bias controlling apparatus Grant 8,531,243 - Yoo , et al. September 10, 2 | 2013-09-10 |
| Transformer and method of manufacturing the same Grant 8,493,169 - Paek , et al. July 23, 2 | 2013-07-23 |
| Power amplifier Grant 8,482,355 - Jo , et al. July 9, 2 | 2013-07-09 |
| Power Amplifier App 20130162350 - SON; Ki Yong ; et al. | 2013-06-27 |
| Power Amplifier App 20130141167 - Kim; Yoo Hwan ; et al. | 2013-06-06 |
| Transformer And Method Of Manufacturing The Same App 20130127575 - PAEK; Hyun ; et al. | 2013-05-23 |
| Dc Offset Cancelation Circuit App 20130120048 - NA; Yoo Sam ; et al. | 2013-05-16 |
| Bias Controlling Apparatus App 20130082777 - Yoo; Hyun Hwan ; et al. | 2013-04-04 |
| Multi-mode Power Amplifier App 20130079065 - Jo; Byeong Hak ; et al. | 2013-03-28 |
| Power Amplifier Module Having Bias Circuit App 20130076447 - KIM; Gyu Suck ; et al. | 2013-03-28 |
| Multi-band Amplifier And Method Of Amplifying Multi-band App 20130069722 - Jeong; Moon Suk ; et al. | 2013-03-21 |
| Cmos Power Amplifier App 20130057349 - JO; Byeong Hak ; et al. | 2013-03-07 |
| Multi-mode power amplifier Grant 8,378,744 - Koo , et al. February 19, 2 | 2013-02-19 |
| Power amplifier Grant 8,354,883 - Koo , et al. January 15, 2 | 2013-01-15 |
| Multi-mode Power Amplifier App 20120299657 - KOO; Bon Hoon ; et al. | 2012-11-29 |
| Power Amplifier App 20120286877 - KOO; Bon Hoon ; et al. | 2012-11-15 |
| CMOS power amplifier and temperature compensation circuit thereof Grant 8,183,928 - Kim , et al. May 22, 2 | 2012-05-22 |
| Power amplifier break down characteristic Grant 8,143,950 - Hwang , et al. March 27, 2 | 2012-03-27 |
| Power Amplifier App 20120025907 - KOO; Bon Hoon ; et al. | 2012-02-02 |
| Power Amplifier Reducing Gain Mismatch App 20120007674 - SON; Ki Yong ; et al. | 2012-01-12 |
| Power amplifier Grant 8,093,947 - Jo , et al. January 10, 2 | 2012-01-10 |
| Power amplifier Grant 8,093,948 - Kim , et al. January 10, 2 | 2012-01-10 |
| Power Amplifier App 20110304395 - KOO; Bon Hoon ; et al. | 2011-12-15 |
| Cmos Power Amplifier And Temperature Compensation Circuit Thereof App 20110304398 - KIM; Yoo Hwan ; et al. | 2011-12-15 |
| Received signal strength indicator self-calibrating gain of limiter Grant 8,055,228 - Park , et al. November 8, 2 | 2011-11-08 |
| Active balun with stacked structure Grant 8,031,004 - Jeong , et al. October 4, 2 | 2011-10-04 |
| Buffer amplifier Grant 8,031,002 - Jo , et al. October 4, 2 | 2011-10-04 |
| Step variable gain amplifier Grant 8,018,285 - Kim , et al. September 13, 2 | 2011-09-13 |
| Fractional-N frequency synthesizer and method thereof Grant 7,973,606 - Kim , et al. July 5, 2 | 2011-07-05 |
| Power Amplifier App 20110156813 - KIM; Yoo Hwan ; et al. | 2011-06-30 |
| Power Amplifier App 20110156817 - HWANG; Hyeon Seok ; et al. | 2011-06-30 |
| Power Amplification Module For Mobile Communication Terminal App 20110143821 - HWANG; Hyeon Seok ; et al. | 2011-06-16 |
| Power Amplifier App 20110133834 - JO; Byeong Hak ; et al. | 2011-06-09 |
| Wide-band amplifier circuit with improved gain flatness Grant 7,956,692 - Jeong , et al. June 7, 2 | 2011-06-07 |
| Dual band receiver Grant 7,953,383 - Cho , et al. May 31, 2 | 2011-05-31 |
| Active Balun With Stacked Structure App 20110037522 - JEONG; Moon Suk ; et al. | 2011-02-17 |
| Mixer With Differential Dc Offset Cancellation Function App 20110037507 - HWANG; Hyeon Seok ; et al. | 2011-02-17 |
| Auto Frequency Calibrator, Method Thereof And Frequency Synthesizer Using It App 20110032011 - KIM; Yoo Hwan ; et al. | 2011-02-10 |
| Step Variable Gain Amplifier App 20110025421 - KIM; Moon Sun ; et al. | 2011-02-03 |
| Fractional-n Frequency Synthesizer And Method Thereof App 20100321120 - KIM; Yoo Hwan ; et al. | 2010-12-23 |
| Wide-band Amplifier Circuit With Improved Gain Flatness App 20100308920 - JEONG; Moon Suk ; et al. | 2010-12-09 |
| Frequency generator Grant 7,804,370 - Jo , et al. September 28, 2 | 2010-09-28 |
| Buffer Amplifier App 20100134188 - JO; Byeong Hak ; et al. | 2010-06-03 |
| Frequency Divider Using Latch Structure App 20100073040 - JO; Byeong Hak ; et al. | 2010-03-25 |
| Active balun circuit Grant 7,663,443 - Kim , et al. February 16, 2 | 2010-02-16 |
| Bias current generating apparatus with adjustable temperature coefficient Grant 7,636,009 - Jo , et al. December 22, 2 | 2009-12-22 |
| Derivative superposition circuit for linearization Grant 7,570,935 - Na , et al. August 4, 2 | 2009-08-04 |
| Frequency Generator App 20090153256 - Jo; Byeong Hak ; et al. | 2009-06-18 |
| Dual Band Receiver App 20090124221 - CHO; Sang Do ; et al. | 2009-05-14 |
| Step attenuator Grant 7,525,395 - Hwang , et al. April 28, 2 | 2009-04-28 |
| Received Signal Strength Indicator Self-calibrating Gain Of Limiter App 20090058524 - PARK; Kyoung Seok ; et al. | 2009-03-05 |
| Active Balun Circuit App 20090051440 - Kim; Moon Sun ; et al. | 2009-02-26 |
| Step Attenuator App 20090021331 - Hwang; Hyeon Seok ; et al. | 2009-01-22 |
| Bias Current Generating Apparatus With Adjustable Temperature Coefficient App 20080180161 - JO; Byeong Hak ; et al. | 2008-07-31 |
| Device for generating wide tunable frequency using frequency divider Grant 7,206,565 - Oh , et al. April 17, 2 | 2007-04-17 |
| Derivative Superposition Circuit For Linearization App 20070044024 - NA; YOO SAM ; et al. | 2007-02-22 |
| Linear channel select filter Grant 7,177,895 - Na , et al. February 13, 2 | 2007-02-13 |
| Image rejection mixer and terrestrial digital multimedia broadcasting tuner of low intermediate frequency structure using the same App 20060154640 - Oh; Seung Min ; et al. | 2006-07-13 |
| Receiver for down-conversion of dual band for digital multimedia broadcasting or digital audio broadcasting App 20050079849 - Na, Yoo Sam ; et al. | 2005-04-14 |
| Linear channel select filter App 20040128340 - Na, Yoo Sam ; et al. | 2004-07-01 |
| Device for generating wide tunable frequency using frequency divider App 20040106390 - Oh, Seung Min ; et al. | 2004-06-03 |
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