Company Overview

Company name Tone Engineering Corporation
President and CEO Mitsunori Izawa
Head Office Address Yotsuya Annex 4F, 4-banchi, Samoncho,Shinjuku, Tokyo 160-0017
Capital 100 million yen
Established Dec. 13, 2002
Employees 70
Board members
  • Chairman and CEOAkio Aizawa
  • President and CEOMitsunori Izawa
  • Senior Managing DirectorShuichi Hamaoka
  • Managing DirectorTadashi Matsuoka
  • Managing DirectorNoriyuki Kawabata
  • DirectorMitsuo Yamada
  • DirectorShigeki Yamamoto
  • DirectorKoji Kami
  • DirectorKimio Ito
  • AuditorKeisuke Kuroki
Business Outline
  • Hot spring development/investigation
  • Groundwater development/investigation
  • Well drilling/Hot spring boring
  • Geothermal development boring/investigation
  • Curvilinear boring (Tulip construction method)
  • Pipe roofing; Horizontal boring
  • Various anchoring work; Foundation improvement construction works
  • Cast-in-Place-Pile works by large diameter(BH, TBH and RCD construction methods)
  • Underground diaphragm wall construction works
  • Isopachous soil mixing wall construction works(TMW and TTW construction methods)