Incorporated as Nakayo Tsushinki Seisakusho (Communications Works) Co., Ltd. in Setagayaku, Tokyo.
Awarded the Deming Application Prize for Small and Medium Enterprises.
Maebashi Plant commenced operation.
Became an integrated telephone manufacturer.
Established an associated sales and installation company, Nakayo Densetsu (Electrical Installation) Co., Ltd.
Delivered electronic switching equipment for the first time to NTT (the Nippon Telegraph & Telephone Public Corporation)
Numata Plant commenced operation. Established sales offi ces at Osaka,Hiroshima and Kumamoto.
Changed the company name to Nakayo Telecommunications, Inc.Listed on the Tokyo Stock Exchange (2nd Section). Established an associated company, Maebashi Shoko, Inc.
Established sales offi ces at Sendai, Sapporo, Fukuoka, and a branch office at Matsuyama. Established Kansai Nakayo Densetsu (Electrical installation) Co., Ltd.
Reorganized Nakayo Densetsu and Kansai Nakayo Densetsu into a new company, Nakayo Electronics Co., Ltd.
NAKAYO's computer-controlled electronic PABX equipment was designated by NTT as Japan's first version of that kind.
Established a liaison offi ce in Singapore.
Established Shibuya Corporate Business Division.
Increased capital to 1,513,075,000yen. Established Corporate Engineering Division. Established Nakayo U.S.A. Inc. in New York.
Gumma Plant commenced operation. Increased capital to 4,909,075,000yen.
Moved the head office to Shibuya-ku Tokyo.
Kitanihon Operation Center Opened.
Approved ISO9001 by JAPAN QUALITY ASSURANCE ORGANIZATION (JQA).
Approved ISO14001 by JAPAN AUDIT AND CERTIFICATION ORGANIZATION FOR ENVIRONMENT AND QUALITY (JACO).
Nishinihon Regional Headquarters opened.
Established HONGKONG NAKAYO Co., Ltd.
Celebrates the 60th anniversary of its founding.
Receives approval for listing on the First Section of the Tokyo Stock Exchange.
Moved the Setagaya Operation Center to Sakurajosui.
Moved the Head Office organization to the city of Maebashi in Gunma Prefecture.
Awarded ISO27001 Certification for Information Security Management System by Japan Quality Assurance Organization (JQA). (Certified business office was the Tokyo Office)
Tokyo office shifted from Shibuya to Shinagawa. Headquarters / Administrative Center (Maebashi) acquires license for manufacturing of general medical equipment.
Company name changed to Nakayo.