Career
New York Cosmos (loan)
On 11 June 2013 it was announced that Kashiwase signed with the New York Cosmos of the American North American Soccer League on loan from Shimizu South-Pulse of the J. League Division 1. Wuppertaler SV
After spending time with the Cosmos and being released by Shimizu South-Pulse, Kashiwase signed with Oberliga Niederrhein side Wuppertaler SV.
Kashiwase has played for the Japan U17 side.