Fun, family-oriented spot for hibachi-grill theatrics & sushi in Vestal NY! A Place To Celebrate Since 1975! Kampai Japanese Steakhouse is the first Japanese restaurant in the Southern Tier and the oldest operating in Upstate New York. We offer three restaurants under one roof, enjoy Hibachi, Sushi or Traditional Japanese Food. Service or Product - Sushi, Hibachi, Steakhouse, Traditional Japanese Food Business Hours: Mon-Sun: 4:30pm-9:30pm