Yowa-ken, a Japanese restaurant in Hakodate Hokkaido in 1884, is the root of Japanese ramen and is said to be it's Sio Ramen,

The basic form of salt ramen is made by seasoning clear soup using kelp, seafood, and pork bones, chicken breasts, vegetables, etc. with  salt.

Then it became popular with many  people.´Opened in 1910 in Tokyo, Asakusa's "Rairai-ken"  is the first origina ramen shop in Japan and is said to be the birthplace of Soy Sauce  Ramen and the origin of Tokyo Ramen. Soy sauce ramen, also known as  Shoyu Ramen´¥rdblquote   is mainly made from chicken gall main soup, but it is diversified, such as pork bones, beef  bones, and seafood soup. There are many shops where menma, chopped green onions,

and thinly sliced chashu are placed, and topping is  also diversified . 

And in 1945, the end of World War II, ramen made from cheap ingredien ts has become popular in Yamiichi (Black market´) throughout Japan.

And soup, noodles and ingredients were uniquely arrange, and a wide variety of ramen was created in country each region in japan In 1947,   Ramen Sakura´ flavor root .Tonkotsu soup  was a resarch to umami flavor is conducted at ramen shop in the Kyushu area of Japan.  Stewed Chicken bones, Pork bones, Onions, spices, Back sweet fat, Garlic, Kelp etc. boiled for more than 24hours and the original noodles were  added, and Tonkotsu Ramen born.Since 2000 Tonkotsu ramen shop open throughout around the world. Even here in Coron, Japanese owners import  ingredients from Japan to get the  original tastes and provide it for the guests.