Danforth Anchor   　　　　Ｔhe most general anchor which introduced from America in 1930's.
ＣＱＲ Anchor　　　　　　 The anchor developed in England.
Bruce  Anchor　　     　　The anchor developed for crude oil digging rig of the North Sea
Common Anchor　　　　　   Type JIS. The anchor stuck to the stern of the general merchant ship Another name is stuck anchor
To-O-Jin-I-Ka-Ri       　 The thing introduced from China? 
                          The anchor used for the fishing boat as well
4 flukes anchor        　 A just little thing is the anchor called smal