[2] In 1998, he won the second place of the Havana International Guitar Competition while studying in France.
[4][5] Among diverse music styles, several of Ohagi's recordings pays tribute to Latinamerican music including compositions of Argentinian Piazzolla, Cuban Leo Brouwer,[6] Brazilian Sérgio Assad,[7] and others.
He has been invited to perform with National Symphony Orchestra of Cuba;[8][9] in 2014, he performed at the International Guitar Festival Compensar in Colombia,[10] and, in 2010, completed a successful tour around Canada with Japanese artist Kazunori Seo (flute) and Gentaro Kagitom (violin).
[11][12][13] Paraguayan guitarist Berta Rojas invited Ohagi to be jury member of the 2011 Worldwide Barrios Competition in honor to Agustin Barrios;[14] he has been juror of other major international competitions.
[15] Ohagi is also faculty at the Senzoku Gakuen College of Music[16] and has inspired new guitarists around the world.