Home Business Toyota, NTT to invest in each other in smart city tie-up –... Business Toyota, NTT to invest in each other in smart city tie-up – NHK By Genpie - March 24, 2020 112 0 Facebook Twitter Google+ Pinterest WhatsApp Toyota Motor Corp and Nippon Telegraph and Telephone Corp will form a capital tie-up to work together in smart-city development, making large investments in each other, Japanese public broadcaster NHK reported on Tuesday.