With guidance by Ryohei Hirose, Yokota learned composition for himself.
With some other pieces, he composed mainly chamber music. In 2003 h received the Best Prize of 7th Nippon no Ongakuten Award, Encouragement Award of the 6th TIAA Japanese Competition in 2008 and
of the 9th TIAA Composers' Competition on 2011, respectively. Then he won Encouragement Award of 21st Century Japanese Music Project in 2015 and Japan International League of Artists Award for
Composition in 2019.
Member of The Japan Federation of Composers Inc.