 The symbol Np was later used for the element neptunium, and the name "nihonium", also named after Japan, along with symbol Nh, was later used for element 113.Element 113 was also discovered by a team of Japanese scientists and was named in respectful homage to Ogawa's work.Rhenium is generally considered to have been discovered by Walter Noddack, Ida Noddack, and Otto Berg in Germany.