The first incident occurred on October 11th at Tokyo Prince Hotel, the second on October 14th at Yasaka Shrine in Kyoto, the third on October 26th on a street in a suburb of Hakodate City in Hokkaido, and the fourth on November 5th on a street in Nagoya.
O primeiro incidente ocorreu o 11 de outubro no Hotel Prince de Tokio, o segundo, o 14 de outubro no santuario Yasaka en Kioto, o terceiro, o 26 de outubro, nunha rúa suburbial en Hakodate, en Hokkaido, e o cuarto, o 5 de novembro nunha rúa de Nagoya.