Patent | Date |
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Plating Steel Sheet For Hot Press Forming, Forming Member Using Same, And Manufacturing Method Therefor App 20220274377 - HWANG; Hyeon-Seok ;   et al. | 2022-09-01 |
Austenite-based molten aluminum-plated steel sheet having excellent properties of plating and weldability Grant 11,420,419 - Kim , et al. August 23, 2 | 2022-08-23 |
Plating steel sheet for hot press forming, forming member using same, and manufacturing method therefor Grant 11,358,369 - Hwang , et al. June 14, 2 | 2022-06-14 |
Hot-dip galvanized steel sheet having excellent low-temperature adhesion and workability Grant 11,338,551 - Hwang , et al. May 24, 2 | 2022-05-24 |
Vehicle and Method of Controlling the Same App 20220126838 - Lee; Myoungwon ;   et al. | 2022-04-28 |
Hot-dip Galvanized Steel Sheet Having Excellent Surface Appearance And Low-temperature Bonding Brittleness App 20220024181 - HWANG; Hyeon-Seok | 2022-01-27 |
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 |
Apparatus With Transmission Route Switching Of Radio Frequency Signals And Radio Frequency Module App 20210306025 - YOO; Hyun Jin ;   et al. | 2021-09-30 |
Hot dip aluminized steel material having excellent corrosion resistance and workability, and manufacturing method therefor Grant 11,090,907 - Kang , et al. August 17, 2 | 2021-08-17 |
Bias circuit and amplifying device having temperature compensation function Grant 11,043,923 - Lee , et al. June 22, 2 | 2021-06-22 |
Hot-rolled galvanized steel sheet having excellent galling resistance, formability and sealer-adhesion property and method for manufacturing same Grant 10,982,309 - Kim , et al. April 20, 2 | 2021-04-20 |
High-manganese hot-dip aluminum-coated steel sheet having excellent coating adhesion Grant 10,968,506 - Kim , et al. April 6, 2 | 2021-04-06 |
Plating Steel Sheet For Hot Press Forming, Forming Member Using Same, And Manufacturing Method Therefor App 20210008837 - HWANG; Hyeon-Seok ;   et al. | 2021-01-14 |
Hot-dip Galvanized Steel Sheet Having Excellent Low-temperature Adhesion And Workability, And Manufacturing Method Therefor App 20200391480 - HWANG; Hyeon-Seok ;   et al. | 2020-12-17 |
Steel Sheet Having Excellent Image Clarity After Painting And Method For Manufacturing Same App 20200347474 - PAIK; Doo-Jin ;   et al. | 2020-11-05 |
Bias Circuit And Amplifying Device Having Temperature Compensation Function App 20200304077 - LEE; Geun Yong ;   et al. | 2020-09-24 |
Austenite-based Molten Aluminum-plated Steel Sheet Having Excellent Properties Of Plating And Weldability, And Method For Manufa App 20200262181 - KIM; Young-Ha ;   et al. | 2020-08-20 |
Band selection switch circuit and amplifier Grant 10,700,717 - Lee , et al. | 2020-06-30 |
Plated steel sheet for hot press forming having excellent weldability and corrosion resistance, forming member, and manufacturing method thereof Grant 10,626,504 - Kim , et al. | 2020-04-21 |
Steel sheet for hot press forming with excellent corrosion resistance and weldability, forming member, and manufacturing method therefor Grant 10,570,493 - Kim , et al. Feb | 2020-02-25 |
Hot Dip Aluminized Steel Material Having Excellent Corrosion Resistance And Workability, And Manufacturing Method Therefor App 20190381764 - KANG; Ki-Cheol ;   et al. | 2019-12-19 |
Power amplifier Grant 10,355,645 - Hwang , et al. July 16, 2 | 2019-07-16 |
Hot-rolled Galvanized Steel Sheet Having Excellent Galling Resistance, Formability And Sealer-adhesion Property And Method For M App 20190194792 - KIM; Sang-Heon ;   et al. | 2019-06-27 |
Plated Steel Sheet For Hot Press Forming Having Excellent Weldability And Corrosion Resistance, Forming Member, And Manufacturing Method Thereof App 20190136386 - KIM; Myung-Soo ;   et al. | 2019-05-09 |
Plated steel sheet for hot press forming having excellent weldability and corrosion resistance, forming member, and manufacturing method thereof Grant 10,190,221 - Kim , et al. Ja | 2019-01-29 |
High-manganese Hot-dip Aluminum-coated Steel Sheet Having Excellent Coating Adhesion App 20190010597 - KIM; Heung-Yun ;   et al. | 2019-01-10 |
Microcrack-reduced, Hot Press-formed Article, And Method For Manufacturing Same App 20190003031 - HWANG; Hyeon-Seok ;   et al. | 2019-01-03 |
Hot Press Formed Product Having Excellent Corrosion Resistance And Method For Preparing Same App 20180363117 - SOHN; Il-Ryoung ;   et al. | 2018-12-20 |
Power Amplifier App 20180287561 - HWANG; Hyeon Seok ;   et al. | 2018-10-04 |
Plated Steel Sheet For Hot Press Forming Having Excellent Weldability And Corrosion Resistance, Forming Member, And Manufacturing Method Thereof App 20170029955 - KIM; Myung-Soo ;   et al. | 2017-02-02 |
Protection Circuit Of Power Amplification Circuit And Power Amplification Circuit Using The Same App 20170026008 - HONG; Kyung Hee ;   et al. | 2017-01-26 |
Steel Sheet For Hot Press Forming With Excellent Corrosion Resistance And Weldability, Forming Member, And Manufacturing Method Therefor App 20170002450 - KIM; Myung-Soo ;   et al. | 2017-01-05 |
Power Amplifier App 20160173038 - HWANG; Hyeon Seok ;   et al. | 2016-06-16 |
Power amplifier Grant 8,952,755 - Kim , et al. February 10, 2 | 2015-02-10 |
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 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 |
Multi-mode Power Amplifier App 20130079065 - Jo; Byeong Hak ;   et al. | 2013-03-28 |
Cmos Power Amplifier App 20130057349 - JO; Byeong Hak ;   et al. | 2013-03-07 |
Power amplifier break down characteristic Grant 8,143,950 - Hwang , et al. March 27, 2 | 2012-03-27 |
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 |
Mixer With Differential Dc Offset Cancellation Function App 20110037507 - HWANG; Hyeon Seok ;   et al. | 2011-02-17 |
Frequency conversion circuit Grant 7,796,968 - Hwang , et al. September 14, 2 | 2010-09-14 |
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 |
Step attenuator Grant 7,525,395 - Hwang , et al. April 28, 2 | 2009-04-28 |
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 |
Frequency conversion circuit App 20080051055 - Hwang; Hyeon Seok ;   et al. | 2008-02-28 |
Circuit and method for compensating for offset voltage Grant 7,227,389 - Gong , et al. June 5, 2 | 2007-06-05 |
Photodiode integrated circuit having multiple gain states Grant 7,180,374 - Kim , et al. February 20, 2 | 2007-02-20 |
Circuit and method for compensating for offset voltage App 20060186953 - Gong; Jung Chul ;   et al. | 2006-08-24 |
Photodiode integrated circuit having multiple gain states App 20060170504 - Kim; Sang Suk ;   et al. | 2006-08-03 |