1949    BORN IN MIYAZAKI (JAPAN)

1996   4^TH YOKOHAMA BIENNIAL / AWARD

1997   THE 4^TH KURASHIKI TRIENNIAL

           THE 12^TH CULTURE FESTIVAL-KAGAWA ’97 STONE FESTIVAL / KAGAWA GAVERNOR AWARD

1998   MINE INTERNATIONAL MARBLE SCULPTURE SYMPOSIUM

2000   SYMPOSIUM OF SCULPTURE IN YONAGO

2002    7^TH INTERNATIONAL SCULPTURE SYMPOSIUM, BORKEL EN SCHAFT, NETHERLANDS

            29 ^TH IWATE INTERNATIONAL STONE SCULPTURE SYMPOSIUM, JAPAN

2003    VALLADOLID SYMPOSIUM, SPAIN

2005    2^ND EMAAR INTERNATIONAL ART SYMPOSIUM, DUBAI, U.A.E

2006  　THE INTERNATIONAL SCULPTURE SYMPOSIUM HYUGA 2006
2007 　 HUALIEN INTERNATIONAL STONE SCULPTURE FESTIVAL, TAIWAN
2008 　 ⅢINTERNATIONAL SCULPTURE SYMPOSIUM L'ART POUR LA SANTE , SLOVAKIA

2009　   THE 2009 STONE SCULPTURE TRIENNALE OF TAKAMATSU/ENCOURAGEMENT PRIZE

2011      INTERNATIONAL SCULPTURE SYMPOSIUM CERISY LA FORET, FRANCE

              KATRAL MUNICIPALITY INTERNATIONAL STONE SCULPTURE SYMPOSIUM 2011, ISTANBUL, TURKEY

              SCHOODIC INTERNATIONAL SCULPTURE SYMPOSIUM, MAINE, U.S.A

              THE 3RD INTERNATIONL SCULPTURE SYMPOSIUM OF TEHRAN, IRAN/ JURY PRIZE

2012       KOMURCUOGLU 2. INTERNATIONAL STONE SCULPTURE COLONY, TURKEY

               1ST INTERNATIONAL IZMIR SCULPTURE WORKSHOP, IZMIR, TURKEY

2013   THE 3RD CHINA-WUHU LIU KAIQU AWARD INTERNATIONAL SCULPTURE EXHIBITION – EXCELLENCE AWARD, CHINA

           KANIV SCULPTURE SYMPOSIUM, UKRAINE

2014   SCULPTURE SAINT JOHN 2014, CANADA

           PINGTAN・CHINA INTERNATIONAL SCULPTURE EXHIBITION, CHINA

2015   MANAVGAT 2015 INTERNATIONAL STONE SCULPTURE SYMPOSIUM, TURKEY

2016   THE INTERNATIONAL FESTIVAL OF WOODEN SCULPTURE LUKOMORYE-2016, ANGARSK, RUSSIA

　　　UFA INTERNATIONAL SYMPOSIUM OF SCULPTURE, UFA, RUSSIA

2017   CHIAYI INTERNATIONAL LANDSCAPE ART FESTIVAL, TAIWAN

           YUKUHASHI ARTWORKS OBJECT PROJECT IN TOWN, JAPAN

　　　2016 CHINA PUTIAN INTERNATIONAL SCULPTURE EXHIBITION, CHINA

           4 TH SILK R OAD INTERNATIO NAL FESTI VAL INTER NATIONAL ART EXHIB ITION, SHANXXI, CHINA

2018　  EGYPT INTERNATIONAL SCULPTURE SYMPOSIUM 10 - HURGHADA, HURGHADA, EGYPT

      　2ND YUKUHASHI ARTWORKS OBJECT PROJECT IN TOWN, YUKUHASHI, JAPAN

      　 HORICE SYMPOSIUM, HORICE, CZECH REPUBLIC