1946

Established in Mobara-machi (current Mobara City), Chiba Prefecture, and relocated to Shimura, Itabashi-ku, Tokyo.

1947

Started production and sales of copper sulfate.

1948

Started the nickel business plan.

1949

Started production and sales of nickel sulfate.

1950

Started production and sales of nickel metal.

1951

Relocated to Chogo-cho (currently Higashisakashita), Itabashi-ku, Tokyo.

1952

Commenced operations at the new nickel plant.

1956

Listed on the First Section of the Osaka Stock Exchange.

1969

Began operations at the ferronickel plant in Date Town (currently Date City), Hokkaido.

1979

Consolidated nickel cutting, packaging, and nickel salt production facilities in Higashisakashita, Itabashi-ku, Tokyo (currently Shimura Plant), and sold the former nickel plant site.

1982

Ceased operations at the ferronickel plant in Date.

1985

Completed land reclamation of the former Date plant site.

1992

Entered the real estate business.

1998

Entered the environmental business and was commissioned by the Japan Science and Technology Agency to develop a “High-Speed Sludge Composting System.”

2003

Changed the company name from Shimura Kako Co., Ltd. to S Science Company, Ltd.

2006

Merged with Felix Co., Ltd., an education-related company.

2011

Relocated the head office to Ginza, Chuo-ku, Tokyo.