Inventor
KWON JOONG HAK
KR15 patents
⚠️ This page may combine multiple inventors who share the name “KWON JOONG HAK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EM TECH CO LTD
7 patentsUS9027700B2May 12, 2015
Bonding structure of diaphragm for microspeaker
EM TECH CO LTD10 citations81
US10667028B2May 26, 2020
Electric device including microspeaker module with vibration function and wearable acoustic transducer
EM TECH CO LTD2 citations71
US10057678B2Aug 21, 2018
Microspeaker enclosure with air adsorbent in resonance space
EM TECH CO LTD4 citations69
US9185477B2Nov 10, 2015
Suspension for sound transducer
EM TECH CO LTD2 citations59
US9277305B2Mar 1, 2016
Suspension for a sound transducer
EM TECH CO LTD2 citations57
US10334342B2Jun 25, 2019
Neckband wireless sound transducer
EM TECH CO LTD0 citations48
US9088840B2Jul 21, 2015
Vibration module for sound transducer
EM TECH CO LTD0 citations38
KT & G CORP
4 patentsUS11241046B2Feb 8, 2022
Aerosol generating device, method for controlling same, and charging system including same
KT & G CORP4 citations82
US11253003B2Feb 22, 2022
Aerosol generating device, method for controlling same, and charging system including same
KT & G CORP3 citations71
US12478110B2Nov 25, 2025
Aerosol generating device, method for controlling same, and charging system including same
KT & G CORP0 citations61
US12279653B2Apr 22, 2025
Aerosol generating device, method for controlling same, and charging system including same
KT & G CORP0 citations61