|April||1924||The previous president Kokichi Sekiya moved from Hakodate, Hokkaido to Tokyo by himself.
Starting working at Sugita Tohtaro Store of Yamatoya (currently Yamato Scientific Co., Ltd.). Spend years for training.
|January||1933||Established a chemical glassware wholesaler Sekiya Kokichi Store.|
|August||1944||Incorporated the organization.
Renamed to Sekiya Chemical Glass Apparatus Co., Ltd. and prepared for the needs of the times and development of companys business.
|June||1946||Established Tokyo Chemical Glass Co., Ltd. with business upswing during the reconstruction period.
Started the manufacture and sales of ultrahard chemical glass.
The great quality of products marked Chemical provided an opportunity to contribute to the chemical industry.
|May||1952||Completed the construction of the main building (four stories above ground and one below, total floor space 1270 m²).
Completed a major distribution center having one of the largest inventories in the industry. Operated under the motto of same-day deliveries up to the present date.
|November||1964||Made an agency contract to sell products of Tokyo Roshi.|
|November||1967||Made an agency contract with Iwaki Glass Co., Ltd.|
|March||1973||Made an agency contract to sell products of Sibata Scientific Technology Ltd.|
|February||1982||Made an agency contract to sell products of Toyo Scientific Industries Co.|
|August||1993||Made an agency contract with Yamato Scientific Co., Ltd.
Sold general scientific instruments as well as chemical and medical glassware all over Japan.
|August||1997||Made a distributor contract for weighing instruments with Shimadzu Corporation.
Started the sales of wide-ranging products.
|February||1999||Made an agency contract with Benchmark Japan Co., Ltd.
Started the sales of skin protectant cream all over Japan.
|May||2000||Started the sales of agate mortars under the Chemical marked brand.|
|July||2001||Made an absorption-type merger agreement with Handa Instruments Co., Ltd.
By utilizing the synergetic effect between direct cooperation relations and sales under the new system, the company carries on business for further improvements.
Made an agency contract to sell products of Nikkato Corporation and started the sales all over Japan.
Started the sales of products of DKK-TOA Corporation all over Japan.
|April||2008||Renamed to Sekiya Rika Co., Ltd. at the time of the relocation of the main office to Nihonbashi Muromachi, Chuo-ku.|
|May||2008||Opened Wakasu Distribution Center in Wakasu, Koto-ku.|
|September||2009||Opened Rinkai Sales Office and Rinkai Distribution Center in Rinkai-cho, Edogawa-ku.|