会社概要

Company Profile

Nippon Yttrium Co., Ltd. (NYC) is a comprehensive manufacturer/supplier of rare earths, providing integrated services from refining to sales.
Using the solvent extraction method and the ion exchange method, we are one of the first companies to mass-produce high-purity rare earth products. Today, rare earths are not only used in many electronic products, but also in a wide range of industrial fields, from energy to medicine and semiconductors.

Corporate Philosophy

To contribute to the society through the continuous creation of high-quality rare earth products, and to seek an eternal growth of the company.

Message from the President

To continue to provide rare earth products that society needs,
To continue to be a company that people need,

Since its establishment in 1966, Nippon Yttrium Co., Ltd. (NYC) has focused on the development of new rare earth products and their stable supply in order to meet the demands of society.
In its early days, NYC focused mainly on yttrium products. Over the past half century, however, it has developed into a "comprehensive manufacturer of rare earths" that handles all ranges of rare earth products.
NYC manufactures well over 300 types of products, including extremely high-purity rare earth compounds made by solvent extraction technology, various oxide powders and granules made by advanced physical property control technology, composite oxides with other elements, rare earth salts, and pure rare earth metals and alloys.
We also have a dedicated team that specializes in the development of new products and works closely together with our customers to meet their needs.
Up until now, we have never stood still, but have actively pursued the development of materials and innovative mass-production technologies, looking ahead to the trends of the times.
At the root of our efforts is our strong passion for developing materials that meet the needs of our customers. This is the "NYC Spirit" that we have inherited since our founding.

We will continue to listen to the voices of our customers, and as rare earth professionals, we will do our utmost to meet the expectations of our customers.

We sincerely ask all of you for your continued guidance and encouragement.

Daisaku Kobayashi

Company History

1966
Established as a 50-50 joint venture between Mitsui Mining & Smelting Co., Ltd. and Tohoku Kinzoku Kogyo K. K. (Currently Tokin Corporation).
The company was the first in Japan to successfully refine and supply high-purity yttrium oxide using the ion exchange method.
1967
Adopted the solvent extraction method from Thorium Ltd., an affiliate of Rio Tinto based in the UK.
Established equipment for ion exchange method and facilities for mass production. In addition to Y₂O₃, started supply of other medium rare earth oxides (Sm, Eu, Gd, Tb, etc.).
1973
Started supply of rare earth metals such as Sm metal.
1976
Began production of SmCo₅ powder for samarium-cobalt alloys.
Sm₂Co₁₇ series was also added to the product lineup to strengthen the production of magnetic alloy powders.
1978
Began supplying coprecipitates of Y₂O₃ and Eu₂O₃ for phosphors.
1983
Developed various new materials such as Nd metals for magnet, Tb-Gd alloys for magneto-optical memory, and yttrium compounds for YSZ.
1985
Expanded solvent extraction facilities and installed a large vacuum melting furnace.
1986
Capital increased to 200 million yen.
1988
Established Kyushu Yttrium Co., Ltd. (KYC) in Omuta, Fukuoka to increase medium-heavy rare earth production.
1989
Capital increased to 400 million yen.
2001
Merged with KYC.
2003
Moved the head office to Omuta, Fukuoka
2009
Participated in JOGMEC’s recycling project.
2011
Started technical assistance to Vietnam.
2018
Expansion of the coating material factory for semiconductor production equipment
2024
Became a wholly-owned subsidiary of Mitsui Mining & Smelting Co., Ltd. (Mitsui Kinzoku)

We are also working on the Sustainable Development Goals (SDGs), which were adopted at the UN Summit. We will continue to supply rare earth products that meet the needs of our customers and society, while taking the global environment into consideration.

We are actively working in close cooperation with of our customers to recycle valuable rare earth resources using our proprietary separation and refinement technologies.

NYC has acquired ISO 9001:2015 (Quality Management System) and ISO 14001:2015 (Environmental Management System) certifications to ensure that our products are environmentally friendly and show consistent quality for our customers. We have also acquired ISO 45001:2018 (Occupational Health and Safety Management System) to ensure the safety of our employees.

Outline

Trade Name

Nippon Yttrium Co., Ltd.
Established

April 1966
Location

Head office and factory
2081-398 Tosen, Omuta, Fukuoka 836-0003, Japan
Capital

400 million yen
Investment ratio

100% by Mitsui Mining & Smelting Co., Ltd.
Line of business

Manufacture and sales of rare earth products and the related businesses.
Main bank

The Sumitomo Mitsui Banking Corporation, Omuta Branch