segawa bldg. 3f2 35 10 hongo bunkyo ku tokyo 113 0033 japan tel 81 0 3 5800 2671 fax 81 0 3 5800 2672 los angeles 1990 s. bundy drive suite 795los angeles ca 90025u . s.a. tel 1 310 231 7878 fax 1 310 231 7816 paris 75 avenue parmentier 75011 paris france tel 33 0 1 40 21 44 25 fax 33 0 1 40 21 24 00 about us fundamental principles company profile dr. minoru nagata company founder services room acoustical design sound isolation and noise control sound system design research and measurement consulting on improvements technical development architectural design projects performing arts centers concert halls theaters sports exhibition facilities educational facilities renovation other venues japan world wide news this month s back issue archives careers copyright nagata acoustics all rights reserved .