1950-
1950
- Establishment of DKK Co., Ltd. : June 1
- Established as a second company of national policy firm Kokusai Denki Tsushin KK (the International Telecommunications Co., Ltd.) with capital of ¥50 million. Takes over the Yosami Radio Transmitting Station
- Receives order for the Medium Frequency transmitting antennas for the first civil radio broadcasting
1952
- Start of manufacturing of applied high-frequency equipment and provision of high-frequency heat treating services
- First Contract for heat treatment of maintenance parts for construction equipment
- Opening of the Yosami sub-branch office and leasing of transmitting facilities to the Defense Facilities Administration Agency
1953
- Establishment of the Hokkaido sub-branch office (currently the Hokkaido branch)
〔Start of television broadcasting in the Tokyo area〕
