In Japan, there is one Ramen shop I frequent alot. It is in the heart of Ginza right outside the Marunochi Subway entrance. The store is underground, before you even need to exit out to the surface.
They offer 2 different styles of Ramen at this store. Regular Ramen with Soup or Tsukemen style (Dipping noodles). There are also various toppings that you can order to go with your Ramen.
The broth is very rich and creamy with a chicken flavor and meshes well with the seasonal ingredients that they include. I usually order this with their chicken risotto on the side (300 yen).