In a small saucepan on medium heat oil and stir fry the garlic until it begins to turn color.
Add water, and slowly mix in the gochujang until well blended.
Stir in the soy sauce, ginger, and brown sugar.
Bring to a boil. Turn down heat to low, and cook for about 20 minutes. The sauce should change to a deep color. it will not be thick like a traditional barbecue sauce. Remove from heat. Let cool for 15 minutes
Place the pork chops in a zip top bag and pour the sauce. Reserve ¼ cup for basting on the grill. Purge the air and seal the bag. Place in the refrigerator for 2 hours to marinate.
Preheat grill to medium. Spray with non-stick oil spray to avoid chops from sticking.
Place individual pork chops on the grill and baste with sauce. Cook for about 3 minutes on each side. If the chops are kind of thin, so make sure you don't overcook them. Cook until the internal temperature reaches 145°F or for more done 160°F.
Place pork chops on a plate, cover and let rest for about 5 minutes. Sprinkle with sesame seeds.