Marking time with precision.
That is the core of our pursuit of high quality.
Our history began with the development of CMOS ICs for quartz watches.
We will continue to work together with you as your partner by providing our high-quality products to let your future image take shape.
2023Head office moved to Higashi- shimbashi, Tokyo /
Strengthened product development capabilities by making Samurai Semiconductor Corporation a subsidiary
2022Voltage trackers for automotive use
2021TMR sensor ICs
Integration with MinebeaMitsumi Group /
Head office moved to Mita, Minato-ku, Tokyo
2019The Best Paper Award at the IEEE S3S Conference
2019Zero crossing latch hall effect IC / Batteryless wireless water leak sensor
Change Name to “ABLIC Inc.”
UV sensor
2017High-efficiency switching regulators
Started operation as SII Semiconductor Corporation
Healthcare ICs
2015High-power dissipation packages (TO-252-5S)
2015Wireless power ICs
2014Timer ICs for automotive use
2013Hall effect ICs for automotive use
2011Ultra-small 0.8 x 0.8 mm packages (HSNT)
2009High-power dissipation packages (HSOP-6)
2009Power management ICs for automotive use
2005Ultra-low voltage operation charge pump IC
2003Ultra-small packages (SNT)
2003EEPROM for automotive use
1999Lithium-ion battery protection ICs (Secondary protection)
1996Began the back-end process at the Akita Unit.
1996Operational amplifiers / Comparators
1993Lithium-ion battery protection ICs / EEPROM
1990Real-time clock ICs
1987Completed the 6-inch line for the wafer process.
1986Non-volatile memories
1985Temperature sensor ICs
1984Hall effect ICs
1983Voltage regulators and voltage detectors
1979Completed the 4-inch line for the wafer process.
1979Analog quartz ICs
1970Completed the 2-inch line for development.
1968Began CMOS IC R&D.
Established 1937 Daini Seikosha Co., Ltd.
(the present-day Seiko Instruments Inc.)
Established K. Hattori
(the present-day SEIKO GROUP CORPORATION)