. ▁In ▁addition , ▁other ▁foreign ▁powers ▁were ▁sought ▁for ▁military ▁technology , ▁especially ▁Russia , ▁to ▁f end ▁off ▁the ▁Japanese . ▁Techn ically , ▁ 1 8 9 7 ▁marks ▁the ▁end ▁of ▁the ▁Jose on ▁period , ▁as ▁the ▁official ▁name ▁of ▁the ▁emp ire ▁was ▁changed ; ▁however ▁the ▁Jose on ▁D ynast y ▁would ▁still ▁reign , ▁al beit ▁pert urbed ▁by ▁Japan ▁and ▁Russia . ▁ ▁In ▁a ▁complicated ▁series ▁of ▁man eu vers ▁and ▁counter - man eu vers , ▁Japan ▁pushed ▁back ▁the ▁Russian ▁fleet ▁at ▁the ▁Battle ▁of ▁Port ▁Arthur ▁in ▁ 1 9 0 5 . ▁With ▁the ▁conclusion ▁of ▁the ▁ 1 9 0 4 – 1 9 0 5 ▁Rus so - J apan ese ▁War ▁with ▁the ▁Tre aty ▁of ▁Port sm outh , ▁the ▁way ▁was ▁open ▁for ▁Japan ▁to ▁take ▁control ▁of ▁Korea . ▁After ▁the ▁signing ▁of ▁the ▁Prote ctor ate ▁Tre aty ▁in ▁ 1 9 0 5 , ▁Korea ▁became ▁a ▁prote ctor ate ▁of ▁Japan . ▁Prince ▁It ō ▁was ▁the ▁first ▁Res ident - General ▁of ▁Korea , ▁although ▁he ▁was ▁assass in ated ▁by ▁Korean ▁independence ▁activ ist ▁An ▁Jung - ge un ▁in ▁ 1 9 0 9 ▁at ▁the ▁train ▁station ▁at ▁Har bin . ▁In ▁ 1 9 1 0 ▁the ▁Japanese ▁Empire ▁finally ▁an nex ed ▁Korea . ▁ ▁Government ▁ ▁Jose on ▁dynast y ▁was ▁a ▁highly ▁central ized ▁mon archy ▁and ▁ne o - Conf u