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Corporate Overview

Trade name

Nihon Onkyo Engineering Co., Ltd.

Head office

1-21-10 Midori, Sumida-ku, Tokyo 130-0021, Japan

Date of establishment

March 3, 1972


30 million yen (as of March 31, 2016)


Hibino Corporation (100%)

Representative Director

Tadayuki Yamanashi

Number of employees

104 (as of April 1.2021)

Industry registration

  • Registered measuring certification enterprise for sound pressure levels No. 691
  • Registered measuring certification enterprise for vibration acceleration levels No. 1174
  • First-class registered architectural office, Tokyo governor registration No. 11534
  • Permission for construction business, Tokyo governor permission (TOKU-30) No. 140590 / (HAN-30) No. 140590

Main banks

MUFG Bank, Mizuho Bank

Business details

  • Acoustic designs and interior construction for acoustic rooms, including recording and broadcast studios, performance halls, research laboratories including anechoic rooms and reverberation rooms, and audio rooms and instrument practice rooms
  • Production and sales of acoustic measurement system products (sound source detection, acoustic material evaluation, microphone moving devices, aircraft noise monitoring, etc.)
  • Sound- and vibration-related inspection, measurement, consulting, and countermeasure-determination
  • Aircraft noise measurement and prediction simulations
  • Experimentation and research on consignment related to sound and vibrations
  • Manufacture and sale of monitor speakers and room-tuning products

Participating groups

  • Acoustic Society of Japan
  • Society of Automotive Engineers of Japan
  • Japan Post Production Association
  • Japan Association of Professional Recording Studios
  • Acoustical Materials Association of Japan
  • Institute of Noise Control Engineering of Japan
  • Motion Picture and Television Engineering Society of Japan, Inc.
  • Audio Engineering Society, Japan Section

Personnel qualifications

  • Doctor of Engineering
  • Certified Environmental Measurers
  • First-Class Architects
  • Professional Engineers