Permanent conductor of Osaka Symphony Orchestra(1995-2001),Guest permanent conductor of Nagoya Philharmonic Orch.(1997-2000). Honna was appointed with VNSO as Music Advisor and conductor(2001-2009). Honna conducted numerous orchestra including La Scala Phil, Filharmonia London, Hungary State Symphony, Arturo Toscanini Orchestra. 2nd prize of Tokyo International Competition, 2nd prize of Arturo Toscanini International Conductor’s competition, 1st prize of Budapest International Conductor’s competition. And many prizes including Nippon Steel Music Award Fresh Artist,Cultural Minister Prize of Japan,Foreign Minister Prize of Japan, Cultural medal by the Vietnam Ministry of Culture,Sports and Tourism. Honna made many concerts with VNSO including First American Tour at New York Carnegie Hall and the Boston Symphony Hall. And first Italy tour at La.Fenice Venice, Teatro Maggio Florence and Capella Paolina at the Italian Presidential Palace.