They are different types of restaurants and these include:
a) Sushi-ya
These restaurants speaciliaze in sushi.Customers sit either at a normal tabler or at a counter(sushi-bar) behind which the sushi chef is working.
b) Soba-ya
These restaurants speacilize in soba and udon noddles dishes. Most noddle dishes come either cooled with dipping a dipping soorce in a hot soup and different topping
c) Ramen- ya
They speacilize in ramen dishes , Chinese style noodles served in a soup witn varioud topping topping.Every ramen-ya has developed its own soup.
d) Kare-ya
These are restaurants that speacilize in curry rice (kare-raisu) dishes. They are usually found near railway stations.
e) Okonominayo-ya
They tend to speacilize in Okonomiyaki and sometimes monjayag. Customers are usually preparing their okonomiyaki -ya themselves in a hot place which is built into the table