Yes, please contact JR (Japan Railway) lost and found number below directly:JR Central - For Shinkansen operates between Tokyo - Kyoto - Shin-Osaka: +81-50-3772-3910 (or 050-3772-3910 from Japan)Please press "3" while the guidance (in Japanese) is in operation. The operator will answer in Japanese, but there is an English-speaking operator standing by, so please talk to the operator in English and ask for an English translation. JR East - For Shinkansen operates between Tokyo - Karuizawa - Nagano - Kanazawa / Tokyo - Sendai - Shin-Hakodate Hokuto:+81-50-2016-1603 (English, Chinese and Korean) (or 050-2016-1603 from Japan)http://www.jreast.co.jp/e/customer_support/infoline.html