My favorite ramen is from２国 (Nikoku) in Nagata-ku, Kobe. It's got all the lovely stuff; garlic, kimchi, onion, bean sprouts, and a lot of meat, but nothing's too overpowering. It's balanced in its flavor. Some ramen is just too overpowering and it makes you feel like you ate a brick--Nikoku doesn't do that.
My "Nikoku ramen," on the left, was ¥900. Yuko's normal ramen, on the right, was ¥570. Gyoza are ¥280.
It's open 11AM~3AM (the next day, 2AM on Sundays and holidays) according to this blog which also has a photo of the giant ramen bowl sign outside of the shop.