Company Outline

Business NameDKK Co., Ltd.
EstablishmentJune 1, 1950
Capital8,774.78 million yen
President and
Representative Director
Tadatoshi Kondo
Listing ExchangeTokyo Stock Exchange (Prime Market)
HeadquartersShin-Tokyo Building, 7th Floor
3-3-1 Marunouchi, Chiyoda-ku, Tokyo 100-0005
TEL: +81-3-3216-1671 (main)
Description of Business[ Telecommunication Business ]
– 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

[ Induction Heating Business ]
– 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

[ Other Business ]
– Equipment leasing related to Telecommunication Business and Radio Frequency Business
– Electric power sales business
OfficersTadatoshi Kondo President and Representative Director
Takashi Asai Director, Managing Executive Officer
Tsuyoshi Shimoda Director, Managing Officer
Toshiro Kawahara Director, Managing Officer
Fugo Hiroharu 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, 2023)
609 (Non-consolidated)
(period ending March 2023)
31.8 billion yen (Consolidated)
25.2 billion yen (Non-consolidated)