History

Nov. 1937

As Kenji Emura store, it is founded as dealerships such as color chemistry industrial chemicals, abrasives and the paint

Sep, 1948

renamed "Yachiyo firm Co., Ltd"

Apr, 1972

Started sales of Cerium Oxide (brand name Mirek made in Mitsui Mining & Smelting Co., Ltd) mainly to optics relations as a sole agent.

Apr, 1976

Started sales of Diamond grindstone(brand name MIDIA made in Mitsui Mining & Smelting Co., Ltd) mainly to optics relations as a sole agent.

Feb, 1983

started the design of the special abrasion system using diamond whetstones, production, and sales

May, 1986

renamed a company name to "Yachiyo microscience Co., Ltd"

2006

moved the head office to Kandahigashimatsushitacho, Chiyoda-ku, Tokyo

Oct, 2012

The ISO9001-2008 certification acquisition