Company Outline

Business Name DKK Co., Ltd.
Establishment June 1, 1950
Capital 8,774.78 million yen
President and
Representative Director

Tadatoshi Kondo
Listing Exchange First Section of the Tokyo Stock Exchange
Headquarters Shin-Tokyo Building, 7th Floor
3-3-1 Marunouchi, Chiyoda-ku, Tokyo 100-0005
TEL: +81-3-3216-1671 (main)
Description of Business [ Telecommunication Division ]
  • -Designing, manufacturing, installation, and sales of antennas for Ultra High Frequency, Very High Frequency, High Frequency, Medium Frequency, and Low Frequency applications
  • -Designing, manufacturing, installation, and sales of steel towers and reflector panels
  • -Designing, manufacturing, and sales of community antenna cable television (CATV) equipment, and designing and installation of CATV systems
  • -Designing, manufacturing, and sales of consumer wireless devices

[ Radio Frequency Division ]
  • -Designing, manufacturing, and sales of high-frequency induction heating equipment, high-frequency generators for the generation of plasmas used in semiconductor manufacturing, and high-frequency power generators for nuclear fusion plasma heating
  • -Designing, manufacturing, and sales of power supplies for high-frequency accelerators
  • -Designing, manufacturing, and sales of vacuum furnaces
  • -High-frequency hardening services
Tadatoshi Kondo
President and Representative Director
Kazuhiro Ito
Senior Executive Managing Officer
Tsuyoshi Shimoda
Director, Managing Officer
Takashi Asai
Director, Managing Officer
Toshiro Kawahara
Director, Managing Officer
Hidehiro Tsukano
Director (Outside)
Jean-Francois Minier
Director (Outside)
Ryoko Takeda
Director (Outside)
Atsushi Takahashi
Director (Outside)
Toshio Akahane
Corporate Standing Auditor
Nobuo Funabashi
Corporate Standing Auditor
Hiroshi Matsubayashi
Corporate Auditor (Outside)
Yuka Matsuda
Corporate Auditor (Outside)
Number of employees
(as of March 31, 2021)


591 (Non-consolidated)
(period ending March 2021)

41.5 billion yen (Consolidated)

34.3 billion yen (Non-consolidated)

Related Information

Telecommunication Division

The activities of the Telecommunication Division.

Radio Frequency Division

The activities of the Radio Frequency Division.

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