Founded in 1975 and listed on the First Section of the Tokyo Stock Exchange (TSE: 4420), eSOL is a leading global company in the fields of embedded systems and edge computing that seeks to contribute to a safer and better-connected society. eSOL's high-performance and scalable software platform products and first-class professional services, centered around its unique and patented eMCOS multikernel Real-Time Operating System (RTOS) technology, are used worldwide in demanding embedded application fields which conform to stringent quality, safety and security standards. This includes automotive systems as well as industrial equipment, satellites, medical and digital consumer electronics. In addition to the research and development of its leading-edge products, and joint research with major manufacturers and universities, eSOL is actively engaged in AUTOSAR, Autoware and multi/many-core technology standardization activities.

“eSOL has achieved in-depth knowledge through various joint development projects in both automotive control and infotainment systems, as we work with domestic and overseas car manufacturers, and ECU suppliers. In addition to AUTOSAR systems development, eSOL also has the expertise in infotainment systems development based on both our state-of-the-art technology eMCOS Real-Time Operating System (RTOS), and also our certified and proven eT-Kernel RTOS. As an AUTOSAR Premium Partner, eSOL continues to contribute to future AUTOSAR specifications. Combining technical knowledge and know-how on a variety of Arm cores, eSOL strongly supports automotive software development, including autonomous driving systems.”

Bob N. Ueyama, Executive Vice President, eSOL


eSOL RTOS-based Software Platform

eSOL offers a safe, scalable RTOS platform. Our RTOS platform addresses severe requirements of quality real-time applications such as automotive, industrial and medical equipment.

Key features:

  • Scalability – Scalable support from microcontrollers through to single core and heterogeneous multi- and many-core processors.
  • Reliability and Safety – Proven track record in various systems. An established development process that is compliant with functional safety standards.
  • Tool Integration – Integrated with Eclipse-based development tools and middleware components backed by engineering services.


Real-time Operating Systems (RTOS)

eSOL offers a safe, scalable real-time operating system platform. Our RTOS platform addresses severe requirements of quality real-time applications such as automotive, industrial and medical equipment:

Integrated Development Environment (IDE)

Middleware components

RTOS-based software platform

Multi-many-core solution

Model-based parallelizer

eSOL website:

eSOL Becomes a Premium Partner in AUTOSAR: press release