Inventor
KIM HAE CHEON
KR44 patents
⚠️ This page may combine multiple inventors who share the name “KIM HAE CHEON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOREA ELECTRONICS TELECOMM
21 patentsUS5760418AJun 2, 1998
GaAs power semiconductor device operating at a low voltage and method for fabricating the same
KOREA ELECTRONICS TELECOMM20 citations92
US7986211B2Jul 26, 2011
Inductor
KOREA ELECTRONICS TELECOMM9 citations84
US6796723B2Sep 28, 2004
Submount for opto-electronic module and packaging method using the same
KOREA ELECTRONICS TELECOMM9 citations74
US5639677AJun 17, 1997
Method of making a gaAs power semiconductor device operating at a low voltage
KOREA ELECTRONICS TELECOMM7 citations74
US8901608B2Dec 2, 2014
Transistor and method of fabricating the same
KOREA ELECTRONICS TELECOMM4 citations73
US9012920B2Apr 21, 2015
Wafer level packaged GaN power semiconductor device and the manufacturing method thereof
KOREA ELECTRONICS TELECOMM3 citations63
US7973368B2Jul 5, 2011
Semiconductor device with T-gate electrode
KOREA ELECTRONICS TELECOMM2 citations63
US7852165B2Dec 14, 2010
Capacitive-degeneration double cross-coupled voltage-controlled oscillator
KOREA ELECTRONICS TELECOMM2 citations63
US7671697B2Mar 2, 2010
High-isolation switching device for millimeter-wave band control circuit
KOREA ELECTRONICS TELECOMM5 citations63
US7548143B2Jun 16, 2009
Microwave module having converter for improving transmission characteristics
KOREA ELECTRONICS TELECOMM2 citations63
US8053345B2Nov 8, 2011
Method for fabricating field effect transistor using a compound semiconductor
KOREA ELECTRONICS TELECOMM3 citations62
US7933576B2Apr 26, 2011
Sub-harmonic mixer
KOREA ELECTRONICS TELECOMM6 citations62
US7626473B2Dec 1, 2009
Signal transmission line for millimeter-wave band
KOREA ELECTRONICS TELECOMM2 citations62
US7183149B2Feb 27, 2007
Method of manufacturing field effect transistor
KOREA ELECTRONICS TELECOMM6 citations62
US9165896B2Oct 20, 2015
GaN transistor with improved bonding pad structure and method of fabricating the same
KOREA ELECTRONICS TELECOMM0 citations52
US8952422B2Feb 10, 2015
Transistor and method of fabricating the same
KOREA ELECTRONICS TELECOMM1 citations52
US8937002B2Jan 20, 2015
Nitride electronic device and method for manufacturing the same
KOREA ELECTRONICS TELECOMM1 citations52
US7871874B2Jan 18, 2011
Transistor of semiconductor device and method of fabricating the same
KOREA ELECTRONICS TELECOMM0 citations52
US7518166B2Apr 14, 2009
Transistor or semiconductor device comprising ohmic contact in an epitaxy substrate
KOREA ELECTRONICS TELECOMM0 citations52
US8697491B2Apr 15, 2014
Semiconductor package and method of fabricating the same
KOREA ELECTRONICS TELECOMM0 citations51
US7893462B2Feb 22, 2011
Transistor of semiconductor device and method of fabricating the same
KOREA ELECTRONICS TELECOMM1 citations47
ELECTRONICS & TELECOMMUNICATIONS RES INST
9 patentsUS9899226B2Feb 20, 2018
Semiconductor device and fabrication method thereof
ELECTRONICS & TELECOMMUNICATIONS RES INST3 citations72
US10256811B2Apr 9, 2019
Cascode switch circuit including level shifter
ELECTRONICS & TELECOMMUNICATIONS RES INST2 citations70
US10608102B2Mar 31, 2020
Semiconductor device having a drain electrode contacting an epi material inside a through-hole and method of manufacturing the same
ELECTRONICS & TELECOMMUNICATIONS RES INST1 citations60
US12131978B2Oct 29, 2024
Semiconductor device with high heat dissipation property using hexagonal boron nitride and method of manufacturing the same
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations59
US12166101B2Dec 10, 2024
High-electron-mobility transistor device and method of manufacturing the same
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations58
US10134854B2Nov 20, 2018
High electron mobility transistor and fabrication method thereof
ELECTRONICS & TELECOMMUNICATIONS RES INST1 citations51
US9780176B2Oct 3, 2017
High reliability field effect power device and manufacturing method thereof
ELECTRONICS & TELECOMMUNICATIONS RES INST1 citations51
US12176306B2Dec 24, 2024
Electrical circuit of semiconductor channel resistor and apparatus and method for generating the same
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations49
US9837719B2Dec 5, 2017
Patch antenna
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations40