Food Safety Report: Ichiran Shibuya, 1 Chome-22-7 Jinnan, Shibuya City, Tokyo, Japan 2 years ago • details 2 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Vomiting, Stomach Pain, Cramps, Headache Suspected source: Ichiran ramen Onset: Less than 4 hours Duration: Less than 4 hours Sick: Me