Education
Hokkai Gakuen University.
山瀬 功治
Hokkai Gakuen University.
Japan"s coach Ivica Osim handed him his first senior cap on 9 August 2006, in a friendly match against Trinidad and Tobago. His first goal for Japan came on 22 August 2007 in a friendly match against Cameroon. Yamase also played for Japan at the 2001 Fédération internationale de football association World Youth Championship in Argentina.
His father Isao participated in the 1984 Winter Olympics as an biathlete.