▁products . ▁ ▁In ▁ 1 9 6 0 , ▁the ▁Sony ▁Corporation ▁of ▁America ▁( SON AM , ▁currently ▁abbre vi ated ▁as ▁S CA ) ▁was ▁established ▁in ▁the ▁United ▁States . ▁In ▁ 1 9 6 1 , ▁Sony ▁Corporation ▁was ▁the ▁first ▁Japanese ▁company ▁to ▁be ▁listed ▁on ▁the ▁New ▁York ▁Stock ▁Exchange , ▁in ▁the ▁form ▁of ▁American ▁depos it ary ▁rece i pts ▁( AD R s ), ▁which ▁are ▁trad ed ▁over - the - counter . ▁Sony ▁bought ▁CBS ▁Records ▁Group ▁which ▁consisted ▁of ▁Columbia ▁Records , ▁Ep ic ▁Records ▁and ▁other ▁CBS ▁labels ▁in ▁ 1 9 8 8 ▁and ▁Columbia ▁Pictures ▁Entertainment ▁( Col umb ia ▁Pictures , ▁Tri Star ▁Pictures ▁and ▁others ) ▁in ▁ 1 9 8 9 . ▁ ▁On ▁November ▁ 2 5 , ▁ 1 9 9 4 , ▁Mor ita ▁stepped ▁down ▁as ▁Sony ▁chairman ▁after ▁suffering ▁a ▁c ere br al ▁hem or rh age ▁while ▁playing ▁tennis . ▁He ▁was ▁succeeded ▁by ▁Nor io ▁Oh ga , ▁who ▁had ▁joined ▁the ▁company ▁in ▁the ▁ 1 9 5 0 s ▁after ▁sending ▁Mor ita ▁a ▁letter ▁den oun cing ▁the ▁poor ▁quality ▁of ▁the ▁company ' s ▁t ape ▁record ers . ▁ ▁Other ▁affili ations ▁Mor ita ▁was ▁vice ▁chairman ▁of ▁the ▁Japan ▁Business ▁Federation ▁( J apan ▁Federation ▁of ▁Econom ic ▁Organ izations ), ▁and ▁was ▁a ▁member ▁of ▁the ▁Japan - U . S . ▁Econom ic ▁Rel ations ▁Group , ▁also