1914	Founded K. SAKAI & COMPANY
1918	Transformed into a general partnership company
1931	Transformed into a stock company
1937～40	Opened offices in Shanghai, Dalian and Qingdao
1943	Corporate name changed to K. Sakai & Co., Ltd.
1953	Opened Tokyo liaison office
1960	Established Tokyo branch office
1966	Opened Los Angeles liaison office
1969	National Tax Agency recognized us an excelled enterprise
1971	Opened New York liaison office
1972	Established CALSAK CORPORATION, Los Angeles.
1974	Established AMSAK CORPORATION, New Jersey
1987	Opened Qingdao liaison office
1990	Relocated China office to Shanghai from Qingdao.
1994	Established OK COLOR AMERICA (OCA) CORP, in Los Angeles.
2003	Established SHANGHAI OK-KASEI CO., LTD., in Shanghai, China.
2004	Established K. SAKAI (SHANGHAI) & CO., LTD., in Shanghai, China.
2010	TOKYO BRANCH was relocated to JR Hatchobori Bldg., Hatchobori
2014	Naoki Sakai appointed president of KSAKAI.
2017	Relocated K. SAKAI (SHANGHAI) & CO., LTD. to Lingling Rd., Shanhghai, China.
2018	Opened India liaison office (Pune, India)
2019	Relocated HQ office to Midosuji-Honmachi Bldg., Chuo-ku, Osaka
2021	Relocated CALSAK CORPORATION to Torrance, CA