Atmark Techno, Inc.
Japanese embedded computing manufacturer known for its Armadillo series of Linux-based CPU boards, IoT gateways, and embedded platforms.
Last updated September 28, 2026
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Overview
Atmark Techno, Inc. (株式会社アットマークテクノ) is a Japanese embedded computing manufacturer headquartered in Kita-ku, Sapporo, Hokkaido. Founded in November 1997 as a limited company and reorganized as a stock company in 2001, the firm develops, designs, manufactures, and sells embedded platforms that combine hardware, software, and services. Its business centers on CPU boards and CPU modules (SoM), IoT gateways and IoT routers, a proprietary Linux OS, and cloud services for device management and data utilization. The company positions itself as a leading company in embedded platforms and serves customers ranging from large manufacturers to startups. The company's flagship product line is the Armadillo series, small computers that act as the brain of various devices and solutions. Armadillo products are embedded in factory equipment, monitoring systems, and communication devices to enable data collection and remote control. They are characterized by small size, low power consumption, strong security, and long-term stable operation. Atmark Techno provides the Armadillo series as an embedded platform that supports the entire lifecycle of IoT device development and operation, including cloud integration and support systems. Atmark Techno's products and services target a wide range of industries, including factories, power, agriculture, infrastructure, logistics, smart homes, office buildings, and livestock. The company solves challenges faced by equipment manufacturers and system integrators (SIers) and aims to promote DX (digital transformation) and build a secure and safe society. Its business model combines hardware, software, and services, contributing to the realization of IoT solutions in various fields. The company is based primarily in Sapporo, Hokkaido, where it handles everything from product planning, design, and development to manufacturing and sales. It has a Tokyo sales office and an Osaka office, and operates a Sapporo production center. Atmark Techno has obtained ISO certifications in environment (ISO 14001), quality (ISO 9001), and information security (ISO/IEC 27001), and promotes health management initiatives. Its products are available for purchase from a single unit, with free development environments and extensive technical information, and it offers BTO (build-to-order) services for mass production. The company has a track record of long-term stable supply, with many product series supplied continuously for over 10 years. In recent years, Atmark Techno has expanded into IoT, cloud integration, and edge AI. It launched the device operation management service node-eye in 2016, announced the open-source IoT project Degu in 2019, and released the cloud service Armadillo Twin in 2023. In 2020, it established a holding company, AT Holdings, and re-established Atmark Techno as a new company; in 2023 it absorbed AT Holdings. The company continues to develop new products such as the Armadillo Twin Local OTA device and to support the latest MPUs like Renesas' RZ/G3L.
History
Atmark Techno was founded in November 1997 as a limited company named Atmark in Sapporo, Japan. In July 1999, it began full-scale IT operations, and in January 2000 it opened a development office in Atsubetsu-ku, Sapporo, developing the At-Audio development board for internet audio supporting MP3, TwinVQ, and AAC, which was exhibited at Venture Fair 2000. In April 2001, the company developed the At-BT Bluetooth protocol stack for Linux, reorganized as a stock company, and changed its name to Atmark Techno, Inc. In November 2001, it co-developed the first-generation Armadillo (HT1070 series) with Umezawa Musen Denki Co., Ltd. In October 2002, it began online sales of its own products, and from April 2003 to May 2007 it operated its own online shop. In 2003, Atmark Techno announced the ultra-compact network terminal Armadillo-J in October, the Xilinx FPGA-equipped board SUZAKU in November, and prototyped the P2P internet radio receiver PeerGarden in November. In June 2004, it conducted a third-party allotment of new shares, and in July 2004 it announced the Linux-compatible Arm9 CPU board Armadillo-9. In November 2004, it announced the Xilinx Virtex-II Pro FPGA board SUZAKU-V, and in December 2004 it relocated its headquarters to Chuo-ku, Sapporo. In February 2005, it released the network-compatible high-speed JTAG downloader JTAG-Blazer, and in March 2005 it released the Linux-equipped small server Armadillo-9 Case Model. In April 2005, it signed a consultant agreement with Xilinx and opened a Tokyo branch office within Xilinx. In November 2005, it developed the IPv6-compatible small network terminal Armadillo-210. In April 2006, it developed the business-card-sized small CPU boards Armadillo-240, Armadillo-230, and Armadillo-220. In May 2006, it announced the SUZAKU-I/O board for the SUZAKU series. In October 2006, it partnered with the EMS-JP group to start customization development services for embedded devices based on the Armadillo series. In November 2006, it developed a wireless LAN-equipped CPU board. In 2008, Atmark Techno opened a Tokyo sales office. In 2016, it launched the device operation management service node-eye. In 2017, it began overseas expansion of the Armadillo-IoT Gateway G3. In 2018, it opened an Osaka office. In 2019, it announced the open-source IoT project Degu. In 2020, it established the holding company AT Holdings and re-established Atmark Techno, Inc. as a new company. In 2023, it absorbed AT Holdings and announced the cloud service Armadillo Twin. As of 2026, the company continues to develop new products such as the Armadillo Twin Local OTA device and to support the latest MPUs like Renesas' RZ/G3L, and it actively exhibits at industry events such as Japan IT Week and EdgeTech+ West.
- 2018
Opened Osaka office.
- 2017
Began overseas expansion of Armadillo-IoT Gateway G3.
- 2016
Launched device operation management service node-eye.
- 2008
Opened Tokyo sales office.
- 2006
Developed business-card-sized CPU boards Armadillo-240, Armadillo-230, Armadillo-220.
- 2006
Announced SUZAKU-I/O board for SUZAKU series.
- 2006
Partnered with EMS-JP group to start customization development services for Armadillo-based embedded devices.
- 2006
Developed wireless LAN-equipped CPU board.
- 2005
Released JTAG-Blazer high-speed JTAG downloader.
- 2005
Released Armadillo-9 Case Model small Linux server.
Products and positioning
Leading company in embedded platforms, providing secure IoT solutions for DX across industries.
Armadillo series
Small computers that serve as the brain of various devices and solutions, embedded in factory equipment, monitoring systems, and communication devices for data collection and remote control. Features small size, low power consumption, strong security, and long-term stable operation.
Armadillo CPU modules (SoM)
CPU modules that perform the core processing for embedded systems.
Armadillo-IoT Gateway series
IoT gateways that collect and process field data and securely bridge it to the internet.
Armadillo-IoT Router
IoT routers for communication in IoT systems.
Embedded Linux OS
Atmark Techno's proprietary Linux OS with enhanced security features, based on Linux which is widely adopted in industrial equipment for its robustness and flexibility.
Armadillo Twin
Cloud service for device operation and management, announced in 2023.
node-eye
Device operation management service started in 2016.
Degu series
Open-source IoT project announced in 2019.
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