1973: Began his carrier in music.
1984:Formed his own group "Onuma Jazz Unit" which
played mainly modern jazz.
1986:Formed "Fedayien" with Daisuke Fuwa (bass)Naohiro
Kawashita(ts,vln).
1989:Joined "Shibusa-shirazu".
1996:Toured Germany with "Fedayien" and played at
the Moels Jazz Festival.
1997:Toured Russia and Lithuania with "Fedayien".
1998,2000:Toured Europe with "Shibusa-shirazu" and
played at the Moers Jazz Festival.
2001:Formed "Shiro Onuma Trio" including Tetsu Watanabe
(sax) and Hiroyuki Eizuka (bass).
2003:Formed "M.A.S.H." with Junji Mori (sax) and
Dairo Suga (piano).
2005:Will tour Russia with Katsuyuki Itakura (piano).