▁under ▁Har ada ▁D ai un ▁S og aku , ▁a ▁S ō t ō ▁R ō sh i ▁who ▁had ▁studied ▁Z en ▁under ▁both ▁S ō t ō ▁and ▁R in za i ▁master s . ▁Two ▁years ▁later ▁he ▁att ained ▁k ens ho , ▁as ▁recognized ▁by ▁his ▁teacher . ▁He ▁finished ▁his ▁ko an ▁study ▁when ▁he ▁was ▁in ▁his ▁early ▁f ift ies , ▁and ▁received ▁D har ma ▁transmission ▁in ▁the ▁S oto - trad ition ▁from ▁Har ada ▁in ▁ 1 9 4 3 , ▁at ▁age ▁fifty - e ight . ▁He ▁was ▁head ▁of ▁a ▁training - hall , ▁but ▁gave ▁this ▁up , ▁prefer ring ▁instead ▁to ▁train ▁lay - p ract ition ers . ▁ ▁To ▁Y as ut ani ' s ▁opinion ▁S ō t ō ▁Z en ▁practice ▁in ▁Japan ▁had ▁become ▁rather ▁method ical ▁and ▁rit ual istic . ▁Y as ut ani ▁felt ▁that ▁practice ▁and ▁real ization ▁were ▁lack ing . ▁He ▁left ▁the ▁S ō t ō - sect , ▁and ▁in ▁ 1 9 5 4 , ▁when ▁he ▁was ▁already ▁ 6 9 , ▁established ▁San b ō ▁Ky ō dan ▁( F ellow ship ▁of ▁the ▁Three ▁Tre asures ), ▁his ▁own ▁organization ▁as ▁an ▁independent ▁school ▁of ▁Z en . ▁After ▁that ▁his ▁efforts ▁were ▁directed ▁primarily ▁toward ▁the ▁training ▁of ▁lay ▁pract ition ers . ▁ ▁Y as ut ani ▁first ▁tra ve led ▁to ▁United ▁States ▁in ▁ 1