国際会議(招待講演)
[1] Takao Someya and Tsuyoshi Sekitani, "A Stretchable Oled Display Using a Printed Organic Transistor Active Matrix," LOPE-C, Large-area Organic and Printed Electronics Convention, June 2009.
国際会議（一般講演：口頭）
[1] Takahisa Shimizu, Tsuyoshi Sekitani, Hirohiko Fukagawa, Genichi Motomura, Takao Someya, and Toshihiro Yamamoto, "Fabrication of Flexible Oled Display Using Printed Reflection Electrode Placed on the Reverse Side of Otft Array," The 5th International Conference on Flexible and Printed Electronics, October 2014.