Background
Hisatoshi Osako was born in 1844.
Hisatoshi Osako was born in 1844.
Hisatoshi Osako was commander of the Fifth Brigade in the Sino-Japanese War (1894-1895) and the Seventh Division in the RussoJapanese War (1904-1905). He was commissioned a sublieutenant (1871). His division distinguished itself by taking a leading part in the hard-fought capture of Port Arthur.