Daejeon
South Korea
3
2026-05-28
Yusun AHN from Daejeon, KR has applied for patents for these inventions. The list has both pending applications and granted patents:
HYDROGEN CONCENTRATION MEASUREMENT METHOD
AIR INTAKE TYPE SMOKE DETECTOR
SMOKE DETECTING APPARATUS, CHAMBER THEREIN, AND FIRE DETECTING METHOD THEREOF
7608744 ⎘