About Us

三好化成とは

We are the first company that created and launched silicone treated cosmetic pigments to the market, which led to the development of the epoch-making two-way cake powders which can be applied to the face by either a wet or dry sponge.

From then, we continuously developed, with our original know-how and technology, various surface treatment processes, such as Amino Acid treatment, Lecithin treatment, and Ester Treatment.

The combination of the said technologies and high-quality fillers (sericite, mica, talc, etc.), which are essential for the cosmetic formulation, or functional powders (ultrafine powders, silica beads, pearl, etc.) enabled us to develop a broad range of unique products and to contribute to the development of innovative cosmetics.

We have four operation sites globally, Miyoshi Kasei, Inc. in Japan, Miyoshi America, Inc. in the United States (Connecticut), Miyoshi Europe SAS in France (Lyon), and Miyoshi Suzhou, CO., LTD. in China (Suzhou), and have been providing high quality products to customers all over the world.




Top Message

Since its establishment in 1976 by Mr. Ryota Miyoshi, founder of Miyoshi Kasei, Inc., the company has steadily expanded its business, centering on surface treatment of cosmetic powders.

Ryota Miyoshi always lived by the principle of “Good Faith & Dignity” in business, and following the founder’s footsteps, all employees of Miyoshi Kasei group respect the spirits of these two words as our core value, and have been contributing to the development of the industry where we operate. Miyoshi Kasei group has manufacturing & sales sites not only in Japan but in the United States, France, and China, and has been striving to respond to the business opportunities provided by customers with the products and services which give back to society.

Miyoshi Kasei Group will aim to be the most reliable supplier by capturing the needs of global personal care markets quicker than anyone else, and by continuously challenging for the better.

President
Miyoshi Kasei, Inc.
Hitoshi Usui

Management Principles

Our corporate mission is to keep with the following statements and to contribute to the society through the personal care industries all over the world.

三好化成とは
  • We will be a dignified company which acts with steady management and generates continuous growth.

  • We contribute to the personal care industry by developing valuable products, actively providing high quality and high functional products while having flexible idea and a big vision.

  • We value mutual trust and respect between labor and management, and work together as a team in order to make our company more competitive.

  • We aim to enhance the quality of our products and corporate value by striving to drive green manufacturing.

  • We promote a freewheeling corporate culture to maximize our employees’ potential.




Corporate Message

This message represents our business philosophy centering on “Good Faith & Dignity”, which is the core value of Miyoshi Kasei Group. Based on this corporate message, we commit to the following to all the stakeholders, internal and external.



安全で信頼できる品質

  • 安全で信頼できる品質
  • Treating you right with “safety and reliable quality solutions”

    We provide safe and highly reliable products supported by technical verification and our years of experience and extensive track record.

  • 環境に配慮した事業活動
  • Treating the “environment” right

    We develop, manufacture, and provide eco-friendly products with consideration to the environment at each business site and with the lives of our customers.
    We are working Not-Just-For-Profit.

  • 人権を尊重した遵法姿勢
  • Treating “people” right

    We comply with all concerned regulations around our business circumstances and ensure to operate business with respect for human rights.

  • すべての利害関係者への配慮
  • Treating “stakeholders” right

    We make constant efforts to perform our business diligently and sincerely with consideration for all stakeholders, including customers, all business partners, employees, and shareholders.

Company Profile

Trading Name
Miyoshi Kasei, Inc.
Locations
Head Office

4-3-14 Ichigaya Grassgate-5F, Kudankita, Chiyoda-ku, Tokyo, 102-0073, JAPAN Tel: +81-(0)3-6265-6757 Fax: +81-(0)3-6265-6759

Application Lab & Sales Office

4-3-14-6F Kudankita, Chiyoda-ku, Tokyo, 102-0073, Japan

Iwatsuki Plant

3-8-1 Ueno, Iwatsuki-ku, Saitama-shi, Saitama, 339-0073, Japan Tel: +81-(0)48-689-3581 Fax: +81-(0)48-689-3583

Urawa Warehouse

705-1 Haranoshita, Daiyama, Midori-ku, Saitama-shi, Saitama, 336-0975, Japan Tel: +81-(0)48-816-9813

Year of Establishment
April 2, 1979
Capital
JPY 10,000,000
Business
  • The manufacture and sale of surface treated powders
  • The manufacture and sale of treated cosmetic pigments and fillers
  • The sale of specialized functional cosmetic materials
Group Companies
Miyoshi America, Inc.
Miyoshi Europe SAS
Miyoshi Suzhou, CO., LTD

Company History

  • 1970

    1976

    Founded

  • 1979

    Established Miyoshi Kasei Limited

  • 1980

    1984

    Established U.S. Cosmetics Corporation to start import business in the U.S. market

  • 1986

    Granted surface treatment manufacturing license to a local manufacturer to start business in France. U.S. Cosmetics Corporation started own manufacturing.

  • 1990

    1997

    Transition from Miyoshi Kasei Limited to Miyoshi Kasei, Inc.U.S. Cosmetics Corporation (USA) became a wholly owned subsidiary of Miyoshi Kasei, Inc.

  • 2000

    2003

    Established Miyoshi Europe SAS (France)

  • 2010

    2011

    Established Miyoshi Suzhou, CO., LTD. (China)

  • 2015

    Moved to new production site in Iwatsuki, Saitama (Japan)
    Opened “Tokyo Office” (currently Headquarters・Application Lab)

  • 2016

    U.S. Cosmetics Corporation was officially renamed Miyoshi America, Inc.
    Started to operate Iwatsuki Plant

  • 2016

    The new factory in Iwatsuki Ward, Saitama City, Saitama Prefecture has been renamed the Iwatsuki Business Office and has commenced operations.

Business Overview

The unified efforts of all employees provide high-quality, high-performance products to the customers, with a spirit of “TREATING YOU RIGHT”

  • Since 2012, we have operated a proprietary quality management system based on ISO 9001, ensuring integrated quality assurance from development to sales.

    Implement basic research and applied development aiming to produce innovative products and meet customer needs.
    Develop new products and improve existing products in corporation with our global Research & Development team.

    Scale-up the experimental products and develop a process of manufacturing for stable supply to the customers. Also keep safety and reliability of our products by strict inspection at Quality Control division based on Miyoshi Kasei Quality Management System.

    Products are manufactured under safe and high quality standards in compliance with Miyoshi Kasei Quality Management System throughout the process from receiving raw material to shipment of our products.

    Place importance on “the user’s perspective” and cooperate with our global sales team to quickly response to customers’ needs. Also, our “APPLICATION LAB” provides various support for customers.

Worldwide Network

海外拠点
  • Head Office

    4-3-14 Ichigaya Grassgate-5F, Kudankita, Chiyoda-ku, Tokyo, 102-0073, Japan

    Tel: +81-(0)3-6265-6757
    Fax: +81-(0)3-6265-6759

  • Iwatsuki Plant

    3-8-1 Ueno, Iwatsuki-ku, Saitama-shi, Saitama, 339-0073, Japan

    Tel: +81-(0)48-689-3581
    Fax: +81-(0)48-689-3583

  • Miyoshi America, Inc.

    110 Louisa Viens Dr. PO Box 859,
    Dayville, CT 06241, USA

    Tel: +1-860-779-3990
    Fax: +1-860-779-3994

    • Application Lab & Sales Office

    711 Executive Blvd. Suite S,
    Valley Cottage, NY 10989, USA

    https://miyoshiamerica.com

  • Miyoshi Europe SAS

    5, Rue Paul Rieupeyroux,
    69800 Saint-Priest, France

    Tel: +33 4 81 18 59 30
    Fax: +33 4 72 21 67 53

    https://miyoshieurope.com

  • Miyoshi Suzhou, CO., LTD.

    No.26 SUB-Industrial Zone,
    No.666 Jianlin Road,
    Suzhou New District,
    Suzhou City, Jiangsu, China 215151

    Tel: +86-512-6665-9282
    Fax: +86-512-6665-9281

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