Bismo Business (Naka-ku Nagoya), mid 1950's
ビスモ商会(名古屋市中区)
Bismo Business made a little belt drive moped called the Hayabusa ( ハヤブサ号 ) which had a 78 cc engine (likely a 2 stroke) putting out 1.9 hp at 4000 rpm. Obviously not the same bike as the one Suzuki made some years latter !