After graduating from Meiji University, he joined Furukawa Electric in 1959.
In November 1960, he was selected by the Japan national team for the 1962 World Cup qualification.
[1] After retirement, Hosaka became a manager for his local club Kofu SC in 1973.
On January 21, 2018, Hosaka died of pneumonia in Kofu at the age of 80.
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