About Rion

Thank you very much for visiting the website of RION Co., Ltd.

RION was established in Kokubunji City, Tokyo in 1944 with an aim to commercialize and utilize in society the outcomes of research conducted by Kobayasi Institute of Physical Research, currently a general incorporated association to conduct research on science and acoustics. Our company name, RION, is a coined word combining the initials of Japanese words “rigaku (science)” and “onkyogaku (acoustics),” the subjects of our research.

Since our founding, we have been strongly committed to contributing to society through advancements in science and technology, and we continue to take on new challenges every day. With a commitment to social contribution as our corporate philosophy, we have has been committed to addressing social issues. We have commercialized and offered to society the outcomes of our tireless efforts in technological development. Many of these outcomes are the first of their kind domestically or internationally. Today, our operations focus on four product groups that span the healthcare, environment and industry sectors. They include hearing instruments, medical equipment, sound and vibration measuring instruments and particle counters.

In this era of rapid change, it is essential that we create new value by further leveraging the strengths we have developed with our exclusive Rionet technologies, sound & vibration and particle measuring technologies, and by building on them with new innovations. Each and every employee has a professional mindset, is constantly learning, and continues to strive for the future. From here onward, we will contribute to realizing more fulfilling and more comfortable lives for people as we strive toward further advancements to become a company that reaches 100 years and beyond.

This website introduces the latest product information, technological development efforts, social contribution activities, etc. We hope you will take a look and feel the appeal of our company.