Established Yamamoto-Shoten at 3-6, Hongokuchou, Nihonbashi, Chuo-ku, Tokyo
Started distribution of Sulphameters (kit for measuring sulphuric acid in chromium plating solution)
Admitted as a Sustaining Member of Metal Finishing Society of Japan
(the current The Surface Finishing Society of Japan)

December 1961

Relocated to 5-28-1, Sendagaya, Shibuya-Ku, Tokyo
Specialized the company's business-line to the manufacture of plating testing equipment and analytical reagents

August 1964

Changed company name to Yamamoto-Shoten Co., Ltd.

July 1975

Changed company name to YAMAMOTO-MS Co., Ltd.

October 2000

Increased capital from JPY 42,000,000 to JPY 63,000,000

November 2002

Increased capital to JPY 75,600,000

May 2004

Registered ISO9001 Certification

November 2004

Increased capital to JPY 80,000,000

April 2010

60th anniversary of founding

November 2013

Started selling for Europe

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