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Private company

Numonyx

Swiss semiconductor company

Numonyx was a semiconductor company making flash memories, which was founded on March 31, 2008, by Intel Corporation, STMicroelectronics and Francisco Partners. It was acquired by Micron Technology on February 9, 2010, for US$1.27 billion. Numonyx was created from the key assets of businesses that in 2006, generated approximately $3.6 billion in combined annual revenue.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

2008Founded1

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Numonyx was a semiconductor company making flash memories, which was founded on March 31, 2008, by Intel Corporation, STMicroelectronics and Francisco Partners. It was acquired by Micron Technology on February 9, 2010, for US$1.27 billion.2

Corporate structure

Numonyx is part of a group headed by Micron Technology. 25 entities, 10 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Micron Technology Wilmington, Delaware, United States
    • Numonyx Rolle
    • Displaytech Incorporated Subsidiary · Longmont, United States
    • Elpida Memory Subsidiary · Chūō
    • Micron (Singapore) Subsidiary · Singapore
    • MICRON EUROPE LIMITED Subsidiary · Bracknell, United Kingdom
    • Micron Idaho Semiconductor Manufacturing (Triton) LLC Subsidiary · Delaware, United States
    • Micron Japan, Ltd. Subsidiary · Japan
    • Micron Memory Japan Subsidiary
    • Micron Memory Japan Facilities, K.K. Subsidiary · Japan
    • Micron Memory Japan, K.K. Subsidiary · Japan
    • Micron Memory Malaysia Sdn. Bhd. Subsidiary · Malaysia
    • MICRON MEMORY TAIWAN CO., LTD. Subsidiary · Taichung City, Taiwan
    • Micron New York Semiconductor Manufacturing LLC Subsidiary · Delaware, United States
    • Micron Semiconductor (Xi’an) Co., Ltd. Subsidiary · China
    • Micron Semiconductor Asia Operations Pte. Ltd. Subsidiary · Singapore
    • Micron Semiconductor Asia Pte. Ltd. Subsidiary · Singapore
    • Micron Semiconductor International, Ltd. Subsidiary · Cayman Islands
    • Micron Semiconductor Products, Inc. Subsidiary · Idaho, United States
    • Micron Semiconductor Technology India Private Limited Subsidiary · India
    • Micron Technology Finance LLC Subsidiary · Delaware, United States
    • Micron Technology Operations India LLP Subsidiary · India
    • Micron Technology Taiwan Logistics Co., Ltd. Subsidiary · Taiwan
    • MICRON TECHNOLOGY TAIWAN, INC. Subsidiary · Taoyuan City, Taiwan
    • S-Squared Insurance Company, Inc. Subsidiary · Hawaii, United States
    • Crucial Owned

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries listed in Exhibit 21 of annual reports filed with the SEC; subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Products and brands

Locations

Numonyx was headquartered in Rolle, Switzerland, and had sales, manufacturing and R&D facilities in the United States, Israel, Singapore, China and Italy.

Products

Numonyx produced NOR and NAND flash memory, like the 2008 introduced M29EW NOR Flash memory chip, as well as phase-change memory brought over from Intel and STMicroelectronics memory businesses. While the company initially stopped selling 5-V flash memory, which at the time was often used in the automotive industry, the M29F 5-V line was announced in early 2009. In 2009, Numonyx had a NOR flash memory market share of 34.6 %, making them the largest vendor in the segment.

From Wikipedia’s article on Numonyx, shared under CC BY-SA 4.0.3

Subsidiaries and ownership

Parent company

From Wikidata.1

Timeline

  1. Feb 9, 2010Dissolved Dissolved1
  2. 2008Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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