July, 2005 IARU HF World Championship 2005 (K8YU/KH2)
February, 2002 CQ/RJ WPX Contest RTTY 2002 (K8YU/KH2)
September, 2001 CQ/RJ WW DX Contest RTTY 2001 (TI5U)
November, 2000 CQ WW DX Contest CW 2000 (9M6SMT)
September, 2000 CQ/RJ WW DX Contest RTTY 2000 (KH0/JH8KYU)
June,2000 All Asian DX Contest CW 2000 (3W2KYU)
March,2000 CQ WW WPX Contest SSB 2000 (KH0/JH8KYU)