About NAGAOKA

World-Class Expertise

World-leading technology in the micro-processing of difficult-to-machine materials.

NAGAOKA is the world's leading name in record styli and holds the top share in production volume.
For 80 years since our founding, we have built a strong record of achievement centered on precision gemstone processing. We are also proud that our micro-processing technology for difficult-to-machine materials such as diamond, cemented carbide, and ceramics is truly world-class. In response to the evolving needs of each era, we continue to refine these technologies and expand their fields of application, while constantly taking on the challenge of developing and creating new technologies. With a global outlook, NAGAOKA remains firmly rooted in its proven traditions while steadily advancing toward a future of limitless possibility.