Henry H Koh List of directors and agents named Henry H Koh. Found 2 results. HENRY H. KOH Registered Address: 2 SEDGWICK LANE ROCKVILLE MD 20852 Appointed in one company. Go To Profile HENRY H. KOH Registered Address: 7809 BRADLEY BLVD. BETHESDA MD 20817 Appointed in one company. Go To Profile