参考文献

JAPAN TOBACCO INC.; MIURA, Tomoya; OGOSHI, Yosuke; UEYAMA, Kazuhito; MOTODA, Dai; IWAYAMA, Toshihiko; SUZAWA, Koichi; NAGAMORI, Hironobu; UENO, Hiroshi; TAKAHASHI, Akihiko; SUGIMOTO, Kazuyuki Patent: US2013/85132 A1, 2013 ; Location in patent: Paragraph 0972; 973; 0974 ;