- CEO
- Hiromi Katoh
- Full Time Employees
- 2,313
- Sector
- Electronic technology
- Industry
- Electronic production equipment
- Address
- Merkmal Keio Sasazuka Building Tokyo TY Japan 151-8569
- IPO Date
- Dec 6, 1990
- Business
- Nihon Dempa Kogyo Co., Ltd. (NDK) manufactures and sells quartz crystal devices and related products for use in automotive electronics, mobile communications, IoT devices, network equipment, consumer electronics, and 5G applications; core offerings include crystal units, crystal oscillators such as TCXOs, OCXOs, and low-voltage automotive types, frequency synthesizers, signal generators, millimeter-wave converters, synthetic quartz crystals, optical components, QCM sensors, outgas analysis systems, and SAW devices produced by subsidiary NDK SAW Devices Co., Ltd. Founded in 1948 and headquartered in Tokyo, Japan, the company operates globally with production facilities and sales in Japan, China, the United States, Germany, Korea, Mexico, Hungary, and other Asian regions. In 2025, NDK developed the high-stability TCXO NT5032SQ and compact OCXOs NH7050XA/NH9070XB for 5G base stations operating up to +105°C, launched the world's smallest low-ESR NX0806AA crystal unit and low-voltage NZ2016SFA/SF oscillators compliant with AEC-Q100/Q200, announced termination of its ultrasound probe business, formulated a new medium-term management plan, reported consolidated financial results for the year ended March 31, 2025, and expanded capacity in Malaysia via subsidiary NDK Crystal Asia Pte Ltd.