Conversation so far:
What has Sakamoto produced?
Sakamoto's production credits represent a prolific career in this role.
In 1983, he produced Mari Iijima's debut album Rose.
Did Rose do well as an album?
CANNOTANSWER.
What other albums did he produce?
1994 album A Place In The Sun.
Besides Rose and A Place in the Sun, did he produce others?
CANNOTANSWER.
What else is significant about his production work?
He's got this reputation as a boffin, a professor of music who sits in front of a computer screen.

Question: How did he get that reputation?
Self-contained rewrite: How did Ryuichi Sakamoto get the reputation as a professor of music who sits in front of a computer screen?