This is used to be a youtube playlist but it's gone. Luckily, i downloaded already and shazamed every song to re-created this wonderful playlist. Hope you can enjoy this masterpiece fellow Masayoshi enjoyer.
There is my playlist on spotify too.

Best Of Masayoshi Takanaka 高中正義 (1976 - 1984)

Rainbow

Samba Pa Ti

Just The Way You Are

Breezin'

Masayoshi Takanaka - On Guitar (1978)

Jazzscape

Live Lounge

Gentle Breeze

Another album that was hard to get by Casiopea that dropped in 1979 !

Casiopea - Space Road

On the Move

Jun Fukamachi - On the Move

Samba Pa Ti

Mikey1515