Inland sea of Japan, where our magnesium hydroxide and magnesium oxide come from. Inland sea of Japan, where our magnesium hydroxide and magnesium oxide come from.



In 1966, Tateho Chemical Industries Co., Ltd was established in Banshu-Ako, an area which fronts the Inland Sea of Japan.
It is now 50 years since the company was established.

Our products include:

• Magnesium Oxide,
• Magnesium hydroxide,
• Electro-fused magnesium oxide,
• Single crystal magnesium oxide substrate,
• Electro-fused calcium oxide and
• Various ceramic products.

We are honored to have customers from all over the world.

We develop unique techniques by focusing on crystallization and by utilizing bittern that is a substance left after separating salt from seawater.
Our mission is to continue with our efforts to contribute to society with our research results.

We believe that products should be manufactured with the assurance of quality and safety.
Based on our conviction, we steadily take steps toward maintaining a steady supply.
To fulfill customer demand, we will not stop pursuing our unique techniques that call upon a great amount of expertise of all members.

Our values are also being cheerful, hopeful and having full of spirit to challenge new obstacles,
that we have had since our founding, so we will be able to expand globally and aim to be the top in our industry.
Furthermore, we value our bond with society and continue to work together with our roots in the local community.

President of Tateho Chemical Industries, Yasunori Kitano

President of Tateho Chemical

Yasunori Kitano


  • November 1950

    Born in Hyogo-Prefecture

  • April 1976

    Joined Tateho Chemical as a researcher in R&D

  • June 2004 - May 2008

    Chief Marketing Exective

  • October 2016 - present

    President & Corporate Executive Officer of Air Water Inc.


Our Management Policy

We aim to be an R&D Driven Company
with World-leading Expertise
that Harmonize with Nature.