Since establishment in 1925, Yamamoto Chemicals has been playing an active role in the various fields of the frontier industry as a pioneer of dyes and an expert of fine chemicals especially in the field of dyes for information recording.
The remarkable progress of today in the field of an opto-electronics created an “Era of light and the electronics”.
Now is in the midst of this era and our dyes have been receiving fine reputations.
Also Yamamoto Chemicals is the top manufacturer in the world of Amylanthraquinone as catalysts for producing hydrogen peroxide.
We moved the Tokyo office in August ２０１８.
Address is RENAI PARTIRE SHIODOME,２-１８-３ HIGASHI-SHIMBASHI,MINATO-KU,
Ethylanthraquinone (EAQ) is also produced in addition to Amylanthraquinone.
We redesigned our website on June 21, 2013.
We have been engaged in research and development, manufacturing and sales of color formers (black, colored) for heat sensitive・pressure-sensitive recording materials, photo-thermal converting agents for CTP, photo-thermal converting agents for flash fusing toner, sublimation dyes for printer and others.
We have been engaged in research and development, manufacturing and sales of dyes for optical filters and others for PDP neon cutting filters, illumination sensors, color-rendering filters, security inks and others
We are also engaged in research and development, manufacturing and sales of dyes for agricultural films, dye sensitized solar cells, dyes for laser resin welding and others.
We are also engaged in research and development, manufacturing and sales of a catalyst for manufacturing of hydrogen peroxide which is important as bleaching of paper, pulp and fiber, cleaning of semi-conductor devices , environmental conservation．(sterilization, purification of waste water and industrial chemicals)