History（including OKI Semiconductor and Oki Device Business, the predecessor of LAPIS Semiconductor）
| Time | Article |
|---|---|
| 1980 | 21-Nov. Miyazaki OKI established.
|
| 1981 | M1(4inch) Fab started operation
with 64Kb DRAM production. |
| 1984 | M2(5inch) Fab started operation with 256Kb
DRAM production. |
| 1989 | Constructed the administrative building.
|
| 1991 | M3(6inch) Fab started operation
with 4Mb DRAM production. |
| 1997 | Foundry Business launched.
|
| 2001 | Large type source driver
for LCD started production. |
| 2002 | Power IC started production.
|
| 2006 | SOS started production. |
| 2007 | MEMS started production.
|
| 2008 | Semiconductor Division of
OKI was separated and merged into Rohm. |
| 2008 | Company name was changed to
OKI semiconductor Miyazaki Co., Ltd |
| 2009 | SOQ started production.
P2ROM(NVM) started production. |
| 2011 | Company name was changed to
LAPIS Semiconductor Miyazaki Co., Ltd.  |
| 2015 | Automotive IGBT･FRD with
ROHM started production. |
| 2016 | Thin-Film PZT Actuator started production.
|
| 2018 | SiC device process development started.
|