He died of cancer on March 28, the BBC reported, attributing the confirmation to his office.
He lived with music until the very end.
In accordance with Sakamotos strong wishes, the funeral service was held among his close family members.
Ryuichi Sakamotozakkubalan ©2020 Kab Inc.
He also acted in the movie, which detailed the life of Puyi, the last emperor of China.
He also starred in the 1983 filmMerry Christmas, Mr Lawrence, with David Bowie.
In 1978, Sakamoto joined with Haruomi Hosono and Yukihiro Takahashi to form Yellow Magic Orchestra (YMO).
The avant-garde keyboardists were an influence on techno-pop and later, hip-hop.
Sakamoto began studying composition at age 10, inspired by the Beatles and Debussy.
Asian music heavily influenced Debussy, and Debussy heavily influenced me.
So the music goes around the world and comes full circle, he said in 2010.
In 1992, Sakamoto was the composer for the opening ceremony music for the Barcelona Olympics.
It became the first instrumental song to reach No.
Survivors include daughter Miu Sakamoto, a successful pop singer in Japan.
