| 1973 | January | Iwate Toshiba Electronics established. |
|---|---|---|
| May | Iwate Toshiba Electronics begins high-voltage transistor assembly and testing processes. | |
| 1984 | September | Head office plant and clean room facility No.1 completed. |
| December | Integrated production begins. | |
| 1989 | February | Clean room facility No.2 completed. |
| 1991 | April | New assembly building completed. |
| 1993 | March | Iwate Toshiba Electronics obtains ISO9001 certification. |
| 1997 | May | Clean room facility No.3 completed. |
| September | Iwate Toshiba Electronics obtains ISO14001 certification. | |
| 2000 | March | Toshiba Corporation and Dai Nippon Printing Co., Ltd. jointly establish D. T. Fine Electronics Co., Ltd. Its Kitakami plant is established on the Iwate Toshiba Electronics site. |
| 2001 | January | Amkor Iwate co., ltd, a company specialized in assembly and testing processes, is established on the Iwate Toshiba Electronics site. |
| 2002 | December | Iwate Toshiba Electronics obtains QS-9000 certification (for in-car microprocessors). |
| 2004 | October | Iwate Toshiba Electronics shipped its first 8-inch products. |
| 2005 | June | Collaboration between Iwate Toshiba Electronics and Himeji Operations-Semiconductor for manufacturing power MOSFET products begins. |
| December | Mass production begins in clean room facility #3. | |
| 2006 | February | Iwate Toshiba Electronics obtains ISO/TS16949 certification (for in-car microprocessors). |
| September | Iwate Toshiba Electronics shipped its first CMOS3E (LCD driver). | |
| 2008 | March | Iwate Toshiba Electronics and Toshiba Corporation obtain the OHSAS18001 consolidated certification. |
| Iwate Toshiba Electronics shipped its first CSCM. | ||
| May | Iwate Toshiba Electronics celebrates its 35th anniversary. | |
| July | Iwate Toshiba Electronics obtains ISO14001 certification. | |
| As a group, the Toshiba Semiconductor Company obtains the ISO14001 consolidated certification. | ||
| 2010 | February | Iwate Toshiba Electronics shipped its first Gratron™ (linear image sensor). |
| March | Iwate Toshiba Electronics shipped its first CMOS linear image sensor. | |
| September | The total production of semiconductor exceeded 10 billion packages |











