1933 Tanaka Electrical Equipment Plant was established by Shichiji Tanaka.
1939 Tanaka Seiki Industry Co., Ltd. was established, dealing with the aviation measuring instruments, precision machines and communication machines.
1954 Tanaka Seiki Co., Ltd. was established and business scope was enlarged.
1957 Electrode holder was developed and Type TS safe electrode holders became commercially available.
1958 Automatic winder AW800 was developed, which was sold in the name of the TANAC Company in the Japanese market as the winding devices for electronic machines such as communication devices and home appliances.
1960 The sub-company TANAC Co., Ltd. for office machines and Osaka TANAC were established.
1972 Construction of Tokyo factory was completed.
1974 TANAC Engineering Company was established for the purpose of developing coil winders. In the same year, the construction of factory at Fukushima was completed.
1977 Sales offices for office machines agency were opened at France, Holland and Taiwan.
1978 KOREA TANAC SERVICE was established in Korea for winding machine agency.
1981 Sales for coil winding machines were started in India.
1982 Kyushu Business Office was established.
1983 The joint venture TANAC INC. was established for the sales of coil winding machines in Los Angels.
1984 Sales for coil winding machines were started in China.
1987 TANAC KOREA INC. was established in Korea, staring themanufacturing and sales of coil winding machines.
TAIWAN TANAC INC. was established in Taiwan, staring the sales of coil winding machines.
Osaka Business Office was established.
1988 London Business Office was established. In the same year, French Business Office was established.
1990 Singapore Business Office was established.
1993 Hong Kong Sub-company was established.
1994 The US TANAC INC was absorbed as TANAC's sole-proprietor company.
1999 TANAC Shanghai Business Office was established.
2003 TANAKA SEIKI (Jiaxing) Co., Ltd. was established in Jiaxing City,Zhejiang Province, China.
2004 Shenzhen Business Office of TANAKA SEIKI (Jiaxing) Co.,Ltd. was established.
2007 The second plant of TANAKA SEIKI (Jiaxing) Co., Ltd. was build
2008 TANAC Suzhou Business Office & Ningbo Business Office were established.
2010 TANAC India Agency was established.
2010 TANAC Tianjin Business Office & Chongqing Business Office were established.
