Horiuchi have supported to hold IBP's seminars in Japan to popularize the external insulation and building physics in NPO-EiPC.
IBP's seminar in Tokyo ;30-Jun-2004
IBP's seminar in Kyoto ;2-Jul-2004
IBP's seminar in Sapporo ;5-Jul-2004
WUFI seminar in Tokyo part 1 ;7-Jul-2004
WUFI seminar in Tokyo part 2 ;4-Jun-2005
