ician ▁special izing ▁in ▁le pro s y . ▁He ▁worked ▁at ▁Nag ash ima ▁A ise ien ▁San ator ium , ▁K ik uch i ▁Ke if uen ▁San ator ium ▁and ▁T ama ▁Z ens ho en ▁San ator ium . ▁In ▁ 1 9 5 5 , ▁he ▁proposed ▁" ac ute ▁in fil tr ation " ▁of ▁T aj iri ▁in ▁le pro s y . ▁ ▁Life ▁He ▁was ▁born ▁in ▁Tokyo ▁in ▁ 1 9 0 2 , ▁and ▁graduated ▁from ▁Ch iba ▁Medical ▁School ▁in ▁ 1 9 3 0 . ▁In ▁the ▁same ▁year ▁he ▁started ▁working ▁at ▁T ama ▁Z ens ho en ▁San ator ium . ▁In ▁ 1 9 3 1 , ▁he ▁went ▁to ▁Nag ash ima ▁A ise ien ▁San ator ium . ▁He ▁became ▁Ph . D . ▁for ▁his ▁studies ▁on ▁le pro s y ▁of ▁the ▁resp ir atory ▁system . ▁In ▁ 1 9 4 7 ▁he ▁went ▁to ▁T ama ▁Z ens ho en ▁San ator ium . ▁Between ▁ 1 9 5 8 ▁and ▁ 1 9 6 3 , ▁he ▁was ▁the ▁director ▁of ▁K ik uch i ▁Ke if uen ▁San ator ium , ▁and ▁later ▁he ▁worked ▁at ▁T ama ▁Z ens ho en ▁San ator ium . ▁He ▁died ▁in ▁ 1 9 6 6 . ▁ ▁Pub lished ▁works ▁Le pro s y ▁of ▁the ▁resp ir atory ▁system ▁Report ▁ 1 ▁Tra che a , ▁lung , ▁Ch