Masanobu Okamoto

 岡本正信

1986

Mr Japan - JBBF, 4th

1987

Mr Japan - JBBF, 3rd

1988

Mr Japan - JBBF, 2nd

1989

Asian Amateur Championships - IFBB, WelterWeight, 3rd
Mr Japan - JBBF, 3rd

1990

Asian Amateur Championships - IFBB, WelterWeight, 3rd
Mr Japan - JBBF, 5th

1992

Mr Japan - JBBF, 6th

2003

Mr Japan - JBBF, Masters 50+, 2nd

2005

Mr Japan - JBBF, Masters 50+, 3rd