1954 Aiphone becomes a registered brand name internationally. Aiphone opens a U.S. subsidiary, Aiphone Corporation Seattle, Washington. Aiphone applies Total Quality Control procedures all phases of design, production, and distribution. The first central exchange microprocessor-based intercom systems are introduced. Aiphone begins production of residential telephone systems.
Aiphone factory opens in Toyota City.
The first multi-directional PanTilt video entry system is introduced. Aiphone Co. LTD joins the Nikkei 1000, which recognizes the best managed and financially sound companies in Japan. Aiphone becomes the first manufacturer worldwide to receive ISO 9001 certification, recognized internationally as the hallmark of production quality standards. Aiphone establishes subsidiary offices in Hong Kong to supervise manufacturing and subassembly in China. Aiphone established subsidiary office in Antwerp, Belgium as a Distribution Center for the European countries.