Nakanishi Inc (NSK) manufactures and sells dental medical equipment, dental chairs, and general industrial cutting and grinding equipment. It offers rotary technology and micro-machining equipment to the dental, surgical clinics, and healthcare organizations.

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NSK has centralized its R&D efforts at the parent company level in Japan to create high-value products tailored to global market demands. The R&D initiatives focus on proprietary mechanical and electronic system enhancements across four business streams: Dental, DCI, Medical/Surgical, and Industrial Machine Tool. The company is expanding its product pipeline with advanced technologies such as ultrasonic scalers, non-rotational technological categories, and specialized drive circuits for next-generation surgical tools. The Global Headquarters & R&D Center (RD1) serves as the central nucleus for all global innovation. Located at the main headquarters in Kanuma, Tochigi Prefecture, this facility optimizes communication and reduces development cycles by housing approximately 200 multi-disciplinary design engineers on a massive single open floor. The center features advanced on-site laboratories for prototype development, validation testing, and precision measurement, facilitating seamless synergy with the nearby A1 Factory for prototype manufacturing. The company manages its pipeline through enhancements in four business streams, focusing on products like ultrasonic scalers, non-rotational technologies, and specialized surgical tools. NSK has expanded its intellectual property portfolio through strategic M&As, including acquisitions of Sweden-based Integration Diagnostics AB and German-based Alfred Jager GmbH. In FY2025, the company spent JPY4,003 million on its R&D activities, which as a percentage of revenue stood at 4.9% and grew 2.4% YoY.