kk traded as tyo 4043 nikkei 225 component industry chemicals founded tokuyama yamaguchi february 16 1918 ; 98 years ago 1918 02 16 founder katsujiro iwai headquarters kasumigaseki common gate west tower 2 1 kasumigaseki 3 chome chiyoda ku tokyo 100 8983 japan key people kazuhisa kogo president products basic chemicals electronic materials ic chemicals fine chemicals cement services recycling revenue us 2.78 billion fy 2013 jpy 287.33 billion fy 2013 net income us 99.20 million fy 2013 jpy 10.21 billion fy 2013 number of employees 5 756 consolidated as of march 31 2014 website official website footnotes references 1 tokuyama corporation kabushiki gaisha tokuyama is a japanese tokyo based chemical company 2 and the worlds fourth largest silicon manufacturer . 3 the company was founded as nihon soda kogyo co. ltd. a producer of soda ash in 1918 by katsujiro iwai . it changed name in 1936 to tokuyama soda co. ltd. and in 1994 to its present name . 4 it is listed on the tokyo stock exchange and is a component of the nikkei 225 stock index . 5 the company operates across japan china south korea singapore malaysia australia united states and germany . 6 contents 1 business segments and products 1.1 chemicals business 1.2 cement business 1.3 specialty products business 1.4 life & amenity business 2 gallery 3 references 4 external links business segments and products edit chemicals business edit soda ash and calcium chloride chlor alkali and vinyl chloride products caustic soda liquid flake propylene oxide vinyl chloride monomer new organic chemicals isopropyl alcohol cement business edit portland cement ordinary early strength medium heat recycling services fresco giclee specialty products business edit electronic materials polycrystalline silicon fumed silica shapal products aluminum nitride powder granules ic chemicals and the cleaning system high purity chemicals for electronics manufacturing positive type photoresist life & amenity business edit fine chemicals photochromic dye materials hard coating solutions for plastic lenses pharmaceutical bulk ingedients amino radical protectants microporous film polyethylene porous film dental materials source gallery edit the headquarters of the company left hand side building the company s research facility in tsukuba ibaraki chemical plant in sh nan seen from the sany shinkansen a tokuyama cement ship references edit company overview . tokuyama corporation . retrieved february 9 2015 . company profile . bloomberg businessweek . retrieved february 9 2015 . 1366 technologies and tokuyama corporation form strategic partnership . 1366 technologies . may 7 2013 . retrieved february 9 2015 . about us . world of chemicals . kimberlite softwares pvt. ltd. retrieved february 9 2015 . components nikkei stock average . nikkei inc. retrieved april 5 2014 . company overview . energy business review . progressive digital media group . missing or empty url help ; 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