Inventor

LEE KYOUNG-HWANG

KR4 patents

⚠️ This page may combine multiple inventors who share the name “LEE KYOUNG-HWANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DOOSAN CORP

2 patents

US10074858B2Sep 11, 2018

Fuel cell separator and fuel cell stack and reactant gas control method thereof

DOOSAN CORP0 citations49

US9876237B2Jan 23, 2018

Fuel cell separator and fuel cell stack and reactant gas control method thereof

DOOSAN CORP0 citations49

OH SUNG-JIN

1 patent

US9343756B2May 17, 2016

Fuel cell separator and fuel cell stack and reactant gas control method thereof

OH SUNG-JIN4 citations65

OHFATECH INC

1 patent

US10424223B2Sep 24, 2019

Braille actuator and braille outputting device using same

OHFATECH INC2 citations54