Overview
Founded in 1974, Sunny Giken Inc. is a Japan-based engineering company specializing in embedded systems for automotive and industrial applications. They combine expertise in software, hardware, and system engineering to support customers from development and evaluation through mass production.
Sunny Giken has extensive experience in in-vehicle communication technologies, including CAN, CAN FD, LIN, CXPI, and Automotive Ethernet, as well as AUTOSAR, diagnostics, flash bootloaders, and microcontroller security. They provide embedded software development, communication middleware, ECU development and evaluation tools, microcontroller boards, flash programming tools, and custom testing and evaluation environments. They also apply their long-standing experience in factory automation and semiconductor test systems to industrial development projects.
By offering both proprietary products and contract development services, Sunny Giken helps customers reduce development effort, improve verification quality, and shorten time to market. Their practical knowledge of microcontrollers, communication protocols, and real-world development processes enables flexible support from proof of concept and prototyping through system integration, testing, and mass-production deployment.
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