What Kyoto Microcomputer does

Kyoto Microcomputer Co., Ltd. (KMC) is a Japan-based developer of embedded software development tools, founded in 1985 and headquartered in Kyoto with a sales/support office in Tokyo. Since October 1, 2025, the company operates as a wholly-owned subsidiary of eSOL Co., Ltd., another Japanese embedded software specialist. KMC's product portfolio centers on JTAG in-circuit emulators — notably the PARTNER-Jet2 and next-generation PARTNER-Jet3, which support ARM, SH, Intel, and RISC-V processor architectures — alongside the SOLID integrated development platform that bundles the TOPPERS/ASP3 RTOS, LLVM/Clang compiler, middleware (TCP/IP stack, filesystem), and device drivers into a Visual Studio-based IDE. Supporting tools include the exeGCC C/C++ compiler, QProbe JTAG probe, QEMU-based dynamic analysis, PROASM-II assembler, and Gigatrace high-speed trace solution.

The company differentiates through pioneering JTAG ICE and debugger technology in Japan, multi-core CPU debugging expertise, and an industry-first Address Sanitizer implementation for embedded systems that automates memory-error detection. Revenue is generated through one-time hardware and software license sales, recurring annual maintenance contracts, and a rental channel via partner rental companies. Go-to-market is primarily direct sales through the company website with inquiry-based quote requests, supplemented by international distributors in Korea (Nextech Solutions) and India (Celestial Systems). KMC serves embedded system developers across industrial control, communications, computer, and consumer electronics verticals, with established recognition as a market leader in high-speed JTAG-ICE products in Japan.

Name

Kyoto Microcomputer

Legal name

京都マイクロコンピュータ株式会社

Website

https://kmckk.co.jp

Company type

Private

Founded year

1985

Operating status

Acquired

Headcount range

11–50 employees

Short description

Kyoto Microcomputer (KMC) develops JTAG emulators and integrated embedded software development tools — including PARTNER-Jet2/Jet3 and the SOLID IDE platform — serving embedded system developers across industrial, communications, and consumer electronics sectors in Japan and select Asian markets. Now a wholly-owned subsidiary of eSOL since October 2025.

Ownership category

akta.pro rank

Product category

Embedded Development Tools

NAICS

Computer Systems Design and Related Services (54151), Computer Systems Design and Related Services (5415)

SIC

Services-Computer Integrated Systems Design (7373), Instruments For Meas & Testing Of Electricity & Elec Signals (3825)

akta.pro primary industry

Embedded Software & Firmware Tools (Compilers, Debug, RTOS tooling) (HDAHAFAE)

akta.pro secondary industries

AI Compiler, Runtime & Kernel Optimization Software (CUDA/ROCm/XLA, graph compilers) (HDAAAAAI), System-Level, Multi-Physics & Package/PCB Co-Design (EDA) (HDAHAFAD)

Keywords

• Embedded software development
• JTAG emulator tools
• In-circuit emulation
• RTOS development platform
• Embedded debugging tools

Headquarters

HQ city

Kyoto

HQ country

Japan

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Software

Cost components

Technology or R&D, Supply Chain, Personnel, Operations, Marketing or Sales

Revenue model

1. Hardware Products (JTAG Emulators): Sale of JTAG hardware emulators including PARTNER-Jet3 and PARTNER-Jet2 for embedded system development and debugging.
2. Software Development Platform (SOLID): Integrated development platform combining RTOS, LLVM/Clang compiler, and debugging tools for embedded software development.
3. Compilers (exeGCC): Japanese-supported embedded C/C++ compiler with easy installer format development environment setup.
4. Annual Maintenance Services: Annual maintenance and support services for PARTNER-Jet2 and other products including software updates and technical support.
5. Rental Services: Hardware rental services through partner rental companies for customers who prefer not to purchase.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

Kyoto Microcomputer designs, develops, and sells hardware and software development tools for embedded microcontroller systems. The portfolio centers on high-speed JTAG in-circuit emulators (PARTNER-Jet2 and PARTNER-Jet3) supporting ARM, SH, Intel, and RISC-V processors, alongside the SOLID integrated development platform that combines a TOPPERS/ASP3 RTOS with the LLVM/Clang compiler, middleware, and an IDE based on Visual Studio. Supporting tools include the exeGCC C/C++ compiler, QProbe JTAG probe, QEMU-based dynamic analysis, PROASM-II assembler, and Gigatrace high-speed trace solution.

Product overview

Kyoto Microcomputer offers a portfolio of hardware and software development tools centered on JTAG emulators and debugging solutions. The core product line includes PARTNER-Jet2 and PARTNER-Jet3 (high-speed multi-function JTAG emulators supporting ARM, SH, and Intel processors) and SOLID (an integrated development platform combining RTOS, LLVM/Clang compiler, middleware, and IDE based on Visual Studio). Supporting tools include exeGCC (C/C++ compiler), QProbe (JTAG probe), QEMU (dynamic analysis), PROASM-II (assembler), and Gigatrace (trace solution). These products work together to provide a comprehensive embedded software development environment.

Differentiator

Problem solved

Functional benefit

Products and services

• PARTNER-Jet3

Segments4 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Two partnerships are on record, tiered regional.

• Nextech Solutions Co., Ltd.regionalChannel Partner/ Reseller/ DistributorKorean distributor for Kyoto Microcomputer products including PARTNER-Jet series. Located in Seoul, Korea with contact person Yoojin Chun.
• Celestial Systems Pvt. LimitedregionalChannel Partner/ Reseller/ DistributorIndian distributor with offices in New Delhi and Bangalore. Provides local sales and support for Kyoto Microcomputer embedded development tools in the Indian market.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• IAR Systems: IAR is a direct peer offering the IAR Embedded Workbench IDE, I-jet/Jet-Trace debug probes, and certified compiler toolchains for ARM, RISC-V, and Renesas architectures — overlapping directly with KMC's IDE + JTAG + compiler portfolio for embedded software developers.
• SEGGER Microcontroller: SEGGER is a direct peer — it manufactures J-Link/J-Trace JTAG emulators and the Embedded Studio IDE targeting the same embedded developer audience as KMC's PARTNER-Jet and SOLID products, with comparable ARM/RISC-V support and a global distribution footprint.
• iSystem: iSystem offers winIDEA IDE and BlueBox/iC6000 JTAG debuggers targeting multi-core ARM and automotive microcontrollers — directly comparable to KMC's multi-core CPU debugging capability marketed through PARTNER-Jet and SOLID.
• Lauterbach: Lauterbach produces TRACE32 high-end JTAG debug and trace tools for multi-core ARM, automotive, and safety-critical embedded development — the premium tier that competes with KMC's high-speed JTAG-ICE positioning in industrial and automotive customers.
• PLS Programmierbare Logik & Systeme: PLS provides the UDE (Universal Debug Engine) and related JTAG debug probes for multi-core microcontrollers and automotive SoCs — a direct competitor in the high-end embedded debug probe market where KMC's PARTNER-Jet series also operates.

Others

• TOPPERS Project: TOPPERS is the open-source RTOS project (including ASP3) that KMC's SOLID platform integrates and builds upon. It is an adjacent ecosystem enabler — not a commercial competitor — but its roadmap directly affects KMC's differentiation in RTOS-aware debug tooling.
• eSOL Co., Ltd. eSOL is KMC's 100% parent company as of October 2025 and itself provides embedded RTOS, middleware, and software development services. It is comparable as an adjacent embedded-software peer and now the controlling shareholder, with overlapping toolchain and customer base.

Broad incumbents

• Green Hills Software: Green Hills provides MULTI IDE, compilers, and JTAG debug probes targeting safety-critical automotive and aerospace embedded development — a broad incumbent in the same embedded toolchain category where KMC's PARTNER-Jet and SOLID compete.
• Renesas Electronics (e² studio): Renesas offers e² studio and CS+ IDEs plus on-chip debug solutions for its RX, RA, and RL78 MCU families. As the dominant Japanese MCU supplier, Renesas competes with KMC's debugger ecosystem among shared Japanese embedded customers.
• ARM (Keil MDK): ARM's Keil MDK and Development Studio provide IDE, compiler, and ULINK debug probes for ARM-based microcontrollers. As a broad incumbent silicon-IP vendor, ARM competes with KMC's ARM-focused tooling as part of a larger portfolio spanning cores, software, and debug.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks3 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Kyoto Microcomputer