Inventor
AHN KWANG HO
KR23 patents
⚠️ This page may combine multiple inventors who share the name “AHN KWANG HO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOREA ELECTRONICS TECHNOLOGY
12 patentsUS9293797B2Mar 22, 2016
RF switch with transformer and switching method thereof
KOREA ELECTRONICS TECHNOLOGY9 citations83
US8373469B2Feb 12, 2013
Phase-locked loop based frequency synthesizer and method of operating the same
KOREA ELECTRONICS TECHNOLOGY5 citations72
US12506062B2Dec 23, 2025
Communication chip package with antenna and heat dissipation ground
KOREA ELECTRONICS TECHNOLOGY0 citations59
US12244051B2Mar 4, 2025
Ultra-small size broadband coupler
KOREA ELECTRONICS TECHNOLOGY0 citations59
US12088018B2Sep 10, 2024
5G dual port beamforming antenna
KOREA ELECTRONICS TECHNOLOGY0 citations59
US10411875B2Sep 10, 2019
Hybrid type transceiver for broadband large area beamforming
KOREA ELECTRONICS TECHNOLOGY0 citations51
US11736183B2Aug 22, 2023
Wireless repeater
KOREA ELECTRONICS TECHNOLOGY0 citations49
US12322872B2Jun 3, 2025
Feeding network device for improved direction estimation
KOREA ELECTRONICS TECHNOLOGY0 citations48
US12040788B2Jul 16, 2024
Ultrahigh frequency traveling-wave switch
KOREA ELECTRONICS TECHNOLOGY0 citations48
US9787000B2Oct 10, 2017
Beamforming array antenna control system and method for beamforming using the same
KOREA ELECTRONICS TECHNOLOGY0 citations48
US9118301B2Aug 25, 2015
Bonding wire impedance matching circuit
KOREA ELECTRONICS TECHNOLOGY0 citations47
US8737946B2May 27, 2014
Down-converter, up-converter, receiver and transmitter applying the same
KOREA ELECTRONICS TECHNOLOGY0 citations38
KOREA INST CONSTRUCTION TECH
3 patentsUS7060185B2Jun 13, 2006
Sewage treatment apparatus using self-granulated activated sludge and sewage treatment method thereof
KOREA INST CONSTRUCTION TECH29 citations86
US7604733B2Oct 20, 2009
Apparatus for biological removal of phosphorus and nitrogen using granulated methane-oxidizing bacteria
KOREA INST CONSTRUCTION TECH0 citations45
US7520991B2Apr 21, 2009
Biological method for removing phosphorus and nitrogen from water using granulated methane-oxidizing bacteria
KOREA INST CONSTRUCTION TECH0 citations45