| 1955 |
Established TOKO Radio Coil Laboratories in Tokyo.
Started production and sales of coils for vacuum tube type portable radios.
Developed the world's first IFT (Intermediate frequency transformer) for transistor radios. |
| 1960 |
Started operation of Saitama plant. |
| 1962 |
Listed in the second section of Tokyo stock exchange. |
| 1963 |
Established TOKO Electronic Mfg. Co., Ltd. in Hong Kong. |
| 1964 |
Name of company changed to TOKO, Inc. |
| 1965 |
Established TOKO America, Inc. in Chicago. |
| 1969 |
Established Huacheng TOKO Electronics Co., Ltd. in Taiwan. |
| 1970 |
Listed in the First section of the Tokyo stock exchange. |
| 1971 |
Established TOKO Germany GmbH. in Stuttgart. |
| 1972 |
Established TOKO U.K. Ltd.in London. |
| 1973 |
Established TOKO Electronic Malaysia Sdn,Bhd.
Developed Bipolar ICs. |
| 1974 |
Received award at the 3rd Japan Industrial Technology Contest and also from the Prim Minister for High Speed Memory Development. |
| 1979 |
Developed Variable capacitance diodes for AM tuning. |
| 1992 |
Established TOKO Electronic (Sarawak) Sdn. Bhd. in Malaysia.
Developed 2012 size, Multilayer chip inductors. |
| 1993 |
Developed Low-profile inverter transformer for LCD monitor backlighting. |
| 1995 |
Established Viet Shiang EIectronics Co., Ltd. in Viet Nam. |
| 1996 |
Established Seoul TOKO Co., Ltd. in Korea. |
| 1997 |
Established TOKO (Shanghai Waigaoqiao F.T.Z.) Inc. in China. |
| 2001 |
Established TOKO Coiltec CO., Ltd. in Iwate prefecture. |
| 2002 |
Established TOKO Electronics (Thailand) Co., Ltd. |
| 2003 |
Viet Hoa Electronics Co., Ltd. established in Viet Nam. |
| 2004 |
TOKO Singapore Pte., Ltd. established. |
| 2005 |
The 50th anniversary of establishment.
Sheng Long TOKO Tech （Shenzhen） Co., Ltd. established in China. |
| 2006 |
TOKO Electronic MFG．Co.，Ltd．Bao Long Factory. established in China．
TOKO （Shenzhen） Co., Ltd. established in China. |
| 2007 |
Bao Long Factory and Sheng Long TOKO Tech (Shenzhen) Co., Ltd. established in China. |
| 2009 |
Developed Next-generation Highly Efficient Coiled Power Inductor. |
