Corporate Profile

Corporate Profile

Corporate History

Corporate History

In the 1950s

1953 Toho Titanium Co., Ltd. jointly established by Nippon Mining Co., Ltd. (currently JX Holdings, Inc.), which is a major copper smelter, Kojiro Ishizuka and his son Hiroshi Ishizuka, eminent engineers in titanium smelting, who founded Osaka Special Steel Manufacturing Co. (currently Osaka Titanium Technologies Co.,Ltd.), and Daiichi Bussan Corporation (currently Mitsui & Co., Ltd.).
1954 Plant constructed in Chigasaki City, Kanagawa Prefecture. Titanium sponge began to be produced with an initial annual plant capacity of 240 metric tons, which gradually increased.
Export began to the United States.
1955 Went public with over-the-counter transactions on the Tokyo Stock Exchange.
1956 Annual sponge production capacity reached 1,800 metric tons.
In the 1950s In the 1950s

In the 1960s

1960 Titanium ingot production begun with an initial annual production capacity of 120 metric tons and gradually increased.
1961 Shares were listed on the Second Section of the Tokyo Stock Exchange.
1965 Facility built for production of trichloride titanium catalyst with an initial annual production capacity of 36 metric tons and gradually increased.
1966 Obtain JIS certification of sponge titanium.
1968 Annual ingot production capacity reached 1,200 metric tons.
In the 1960s

In the 1970s

1970 Commercial production of high-purity titanium dioxide begun.
1971 Annual sponge production capacity reached 5,400 metric tons.
1977 Export of catalyst plant of titanium trichloride to China completed.
In the 1970s

In the 1980s

1980 Annual sponge production capacity reached 12,000 metric tons.
1985 Annual ingot production capacity reached 7,800 metric tons.
1986 Production facility for high-efficiency THC catalysts completed.
1987 Toho Technical Service Co., Ltd. was established.
1989 Annual production capacity for high-purity titanium dioxide reached 2,040 metric tons.

In the 1990s

1990 Acquired Sankyo Diamond Group.
1993 Annual production capacity for high-efficiency THC catalysts reached 85 tons.
1996 ISO 9002 certified (production and sale of propylene polymerization catalysts).
1997 Annual production capacity for high-purity titanium dioxide reached 2,160 metric tons.
1998 ISO 9002 certification expanded (production and sale of titanium tetrachloride, titanium sponge, titanium ingot, high-purity titanium dioxide, titanium base powder and so on).
ISO 14001 certified (all departments at Chigasaki Plant).
Electron beam furnace for titanium ingot (Hitachi Plant) completed with an initial annual production capacity of 2,640 metric tons.
Toho Catalyst Kurobe Co., Ltd. was established.
1999 ISO 9001 certified (design, development, production and sale of catalysts for propylene polymerization, titanium tetrachloride, titanium sponge, high-purity titanium, titanium ingot, high-purity titanium dioxide, titanium base powder).
Production facility for ultra-fine nickel powder production completed.

In the 2000s

2000 ISO 9001 certification expanded (design, development, production and sale of nickel powder).
Toho Catalyst Kurobe changed its name to Toho Catalyst Co., Ltd. (catalyst business transferred to Toho Catalyst).
2003 Annual titanium sponge production capacity reached 13,000 metric tons, JIS Q 9100 certified (design, development, production and sale of titanium sponge for use in aircraft).
2005 Annual titanium sponge production capacity reached 15,000 metric tons.
Sold Sankyo Diamond Group.
2006 Share trading transferred from the 2nd section to the 1st section of Tokyo Stock Exchange.
2007 Corporate brand mark adopted.
Annual titanium sponge production capacity reached 16,000 metric tons.
2008 Merged with Toho Catalyst Co., Ltd.
Electron beam furnace for titanium ingot (Yahata Plant) completed with an initial annual production capacity of 10,000 metric tons.
Total annual ingot production capacity raised to 19,000 metric tons.
2009 Toho Titanium America Co., Ltd. was established
Toho Material Co., Ltd. was established
Toho Titanium Europe Co., Ltd. was established.
In the 2000s

In the 2010s

2010 Annual titanium sponge production capacity reached 26,400 metric tons.
Wakamatsu sponge plant started commercial operations in April.
2011 Mass-production of direct-cast titanium slab (DC SlabĀ®) begun.
2012 Annual titanium sponge production capacity reached 28,800 metric tons.
Expansion of titanium sponge production capacity in Wakamatsu Plant completed.
2013 Titanium sponge manufactured at Wakamatsu Plant obtained certification of aerospace. Annual titanium sponge production capacity reduced to 25,200 metric tons. (Establishing efficient production capacity of Chigasaki Plant)
2014 EB2 furnace completed at Yahata Plant.
Taking shares of Nittetsu Sumikin Naoetsu Titanium Co., Ltd.(NSSMC 66%, Toho Titanium 34%)
2016 Advanced Metal Industries Cluster and Toho Titanium Metal Company Limited was established. (Advanced Metal Industries Cluster Company Limited 65%, Toho Titanium 35%)
In the 2010s