Food Safety Report: Koba Grill, 12286 SW Scholls Ferry Rd, Tigard, OR 97223, USA 3 years ago • details 24 Comments Comment Suspected food poisoning. Symptoms: Vomiting, Stomach Pain Suspected source: Chow mein noodles. Onset: 10 hours Duration: 4-6 hours Sick: Just me Additional information: Im the only one that ate it and i got sick