| February 1996 |
Company established. PCBA operations and related peripheral businesses were transferred from the Storage Systems Division of Hitachi, Ltd. |
| March 2002 |
Enterprise storage system assembly operations were transferred from the RAID Systems Division of Hitachi, Ltd. |
| September 2002 |
PCBA operations for midrange storage systems were transferred from Hitachi Computer Peripherals Co., Ltd. |
| April 2003 |
Midrange storage system assembly operations were transferred from the RAID Systems Division of Hitachi, Ltd. |
| March 2005 |
Power-related operations associated with peripheral business activities were transferred to Chuo Shoji Co., Ltd.
|
| January 2007 |
Company name changed to Hitachi Storage Manufacturing, Ltd. |
| October 2013 |
Company name changed to Hitachi Information & Telecommunication Manufacturing, Ltd. |
| May 2016 |
Manufacturing functions at the Odawara site were consolidated into the Hadano site. |
| July 2018 |
Company name changed to UMC H Electronics Co., Ltd. |