KIOXIA at a Glance

Introducing the unique strengths of KIOXIA, a global leader in flash memory and solid state drives.


A fresh start as KIOXIA


On October 1st 2019, Toshiba Memory rebranded itself as KIOXIA and made a fresh start. By evolving “memory,” we create uplifting experiences and help change the world.

Flash Memory Market Share

Approx. 20%

KIOXIA ranked number two in the global flash memory industry in 2020. We had a 35% market share including that accounted for by Western Digital under our joint venture arrangement.

(based on our own research)

(Based on the audited consolidated financial statements prepared under IFRS, FY 2020 ended March 31, 2021)

1,178.5 Billion Yen

KIOXIA revenues grew 19%, in line with market growth, as the strong demand for NAND flash memory continued throughout the COVID-19 pandemic, as a result of the expansion of working-from-home, online education and video streaming activities, and 5G content expansion.

Number of employees on a consolidated basis

Approx. 13,600

People from various backgrounds fulfill their potential and leverage their strengths.

Invented NAND flash memory


In 1987, KIOXIA invented the world’s first NAND flash memory for data storage. The technology is now being used in applications ranging from smartphones to data centers. In fact, it serves as a foundation of the information society.


3D Flash Memory BiCS FLASH™


Kioxia announced the world's first three-dimensional (3D) flash memory technology in 2007. Innovations in scaling and CMOS placement deliver the highest density* and most advanced 162-layer 3D flash memory technology to date.

*as of February 2021

KIOXIA group locations

10 Countries and Regions

KIOXIA’s efforts are focused on enhancing technology development, production capabilities and partnerships with customers in order to create a new era of memory. We have global sales and technical support bases that meet the needs of customers worldwide.

Yokkaichi Plant

The site area of Yokkaichi Plant

Approx. 694,000

Kioxia’s Yokkaichi Plant is one of the world’s largest and most efficient flash memory production facilities. Through our deployment of advanced manufacturing processes utilizing AI, we continue to meet the increasing demand for memory around the world.