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)

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

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

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

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

Increased capital to JPY 75,600,000

Registered ISO9001 Certification

Increased capital to JPY 80,000,000

60th anniversary of founding

Started selling for Europe