found:Daiyamondo kaisha yōran, 1984:p. 837 (Nihon Denki Kabushiki Kaisha; NEC Corporation; est. 1899)
found:Its Annual report, 1983:t.p. (NEC; NEC Corporation; effective Apr. 1, 1983, Nippon Electric Co., Ltd. changed its corporate name in English to NEC Corporation); 1979: t.p. (NEC; Nippon Electric Co., Ltd.)
found:Information from 678 converted Dec. 18, 2014(est. 1899 in Tokyo)