1918
June
Private SAKAI REFINERY FACTORY was established starting zinc white production
1920
May
Reorganized into a limited partnership
Nov.
Started production of precipitated barium, barium sulfate, and barium carbonate
1932
Feb.
Reorganized into a joint stock company (Capitalized on 2 million yen)
Nov.
Trade name was changed to the present "SAKAI CHEMICAL INDUSTRY CO., LTD."
1935
Jan.
The first manufacture to succeed in factory production of anatase type titanium dioxide
1936
Feb.
Fonded SAKAI TRADING CO.,LTD.(Expansion into such a trade business as raw material and finished product import business)
1949
June
Started production of stabilizer for poly vinyl chloride
1950
Mar.
Listed on OSAKA SECURITIES EXCHANGE
June
Started production of metallic soaps for poly vinyl chloride
1959
Feb.
Started production and sale of Linephalt for roadzoning
1961
Feb.
Founded OSAKI INDUSTRY CO., LTD.
Oct.
Listed on TOKYO STOCK EXCHANGE
1963
May
Onahama Factory was completed (To cope with the increasing demand for titanium dioxide)
1964
Mar.
Established KAIGEN CO., LTD. (Absorbed the old KAIGEN CO., LTD.)
1969
May
Yumoto Factory was completed
June
Semboku Factory was completed (Started production of catalysts)
1975
July
Founded LINEPHALT INDUSTRY CO., LTD. (Expansion into traffic environment field)
1978
Feb.
Started production of NOx removal catalyst
1991
July
Otsurugi Factory was completed
1992
Feb.
Started commercial production of electronic ceramic materials
1994
Dec.
Took over a business of Tomioka Chemical CO., LTD. (promoting fine organic chemical business)
2002
Oct.
Acquired the stocks of Kyodo Chemical CO.,LTD.(Fortified plastic additives business)
2003
Mar.
The R&D Center was expanded by completing a new wing
2007
Dec.
Founded SAKAI CHEMICAL (VIETNAM) CO., LTD. (promoting overseas plastic additives business)
2008
Apr.
Reinforced organic chemical business by integrating sales and marketing activities to SC ORGANIC CHEMICAL CO., LTD. (former name was TOMIOKA CHEMICAL CO., LTD.)
2012
Feb.
Acquired the whole stocks of KATAYAMA SEIYAKUSYO CO., LTD. (Expansion into active pharmaceutical intermediates and ingredients business)
2013
Apr.
Integrated pharmaceutical business of SAKAI CHEMICAL INDUSTRY CO., LTD. and KYOSEI PHARMACEUTICAL CO., LTD. to KAIGEN PHARMA CO., LTD.(former name was KAIGEN CO., LTD.)
2017
Sep.
Sold 100% shares of LINEPHALT INDUSTRY CO., LTD. to NICHIREKI CO., LTD
2018
Aug.
Acquired the major stocks of SIAM STABILIZERS AND CHEMICALS CO.,LTD. (Strengthem overseas plastic additivers business)
2024
Apr.
Absorbed and merged with SC Organic Chemical Co., Ltd.
