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name:-0.054754972457886
name:-0.022046089172363
name:-0.024799108505249
HWANG; Hyeon-Seok Patent Filings

HWANG; Hyeon-Seok

Patent Applications and Registrations

Patent applications and USPTO patent grants for HWANG; Hyeon-Seok.The latest application filed is for "plating steel sheet for hot press forming, forming member using same, and manufacturing method therefor".

Company Profile
17.24.35
  • HWANG; Hyeon-Seok - Gwangyang-si KR
  • Hwang; Hyeon Seok - Seongnam-si KR
  • Hwang; Hyeon Seok - Suwon-si KR
  • Hwang; Hyeon Seok - Seoul KR
  • Hwang; Hyeon Seok - Gyunggi-Do KR
  • Hwang; Hyeon Seok - Anyang KR
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
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

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