Japan System Control

What Japan System Control does

Japan System Control (日本システム制御株式会社) is a privately held Japanese software services firm founded in April 1982 and headquartered in the Big Nine Building, Higashi-Gotanda, Shinagawa-ku, Tokyo. The company specializes in custom software development across two distinct verticals: semiconductor and LCD exposure/measurement equipment (with Nikon-group companies as anchor clients) and hospital/medical information systems. Its semiconductor portfolio spans exposure-device main software, CIM systems, alignment-station databases, recipe and correction-value management, and measurement/inspection equipment firmware; the hospital portfolio covers dialysis information, examination ordering, ward and bed management, on-call scheduling, and HR/payroll systems. Technical execution spans an unusually broad stack — legacy VMS, MS-DOS, Fortran, C, Motif, VB6 alongside modern ASP.NET (MVC), C#.NET, .NET 5.0, TypeScript, SQL Server, Redis, and Elasticsearch/Kibana — reflecting 40+ years of accumulated, multi-generation codebase stewardship. Revenue is generated through professional-services contracts (custom development, legacy system analysis, and maintenance) supplemented since March 2019 by a worker-dispatch line under permit 派13-312800. Distribution is direct enterprise field-sales only, with no resellers, marketing channels, or channel partners; named customers include Nikon Corporation, Nikon Systems, NSP, Saiseikai Kumamoto Hospital, Kohase Hospital, Saitama Sekishinkai Hospital, and Hokusai Hospital. The firm operates with a lean team of 16 employees and is not currently recruiting; the most recent executive change occurred in September 2020 when Ishiwata Kenji (石綿謙次) became President and Representative Director.

Name

Japan System Control

Legal name

日本システム制御株式会社

Website

https://nihonsystemseigyo.co.jp

Company type

Private

Founded year

1982

Operating status

Operating

Headcount range

11–50 employees

Short description

Japan System Control is a 16-person Tokyo software services firm, founded 1982, that builds and maintains custom software for Nikon-group semiconductor exposure equipment and for Japanese hospitals' clinical and administrative systems. It supplements project-based development with a worker-dispatch line and retains deep expertise across legacy and modern stacks.

Ownership category

akta.pro rank

Product category

Custom Software Development Services

NAICS

Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables (334513), Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (33451)

SIC

Services-Computer Integrated Systems Design (7373), Industrial Instruments For Measurement, Display, And Control (3823)

akta.pro primary industry

Control System Integration & Engineering Services (Design, Commissioning, Retrofits) (IMAGABAK)

akta.pro secondary industries

Process & Batch Control Software (Recipe Management, ISA-88) (IMAGABAH), Instrumentation, Controls & Automation (DCS/PLC/SCADA, SIS, Metering) (EUAEAFAC)

Keywords

• Embedded software development
• Semiconductor equipment software
• Hospital information systems
• Legacy system maintenance
• Custom software development

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Technology or R&D, Operations

Revenue model

1. Software Development Services: Custom software development for semiconductor manufacturing equipment, LCD exposure devices, measurement equipment, and hospital information systems. Services include main software development, CIM system development, and legacy system analysis and maintenance.
2. Temporary Staffing Services: Staffing services with labor dispatch permit number 派13-312800. Provides human resources to client organizations.

Go-to-market motion1 record

Distribution channels1 record

Core offering

Japan System Control is a Tokyo-based custom software development firm that builds main software, CIM systems, and measurement/inspection device software for semiconductor and LCD exposure equipment manufacturers (notably the Nikon group), and develops hospital information systems (clinical and administrative) for medical institutions. Leveraging 40+ years of experience, the company also analyzes and maintains legacy systems across diverse platforms (VMS, Windows, Linux, Unix, MS-DOS) and databases.

Product overview

Japan System Control is a software development company established in 1982, offering a portfolio of specialized software solutions across two main domains: semiconductor/electronic manufacturing equipment software and hospital/medical information systems. The semiconductor portfolio includes main software for exposure devices, CIM systems, measurement and inspection equipment, and device control systems (using C, C++, Fortran, VB.NET, ASP.NET). The hospital systems portfolio encompasses clinical operations (dialysis information, examination scheduling, patient referrals, bed management) and administrative functions (human resources, payroll, scheduling). The company leverages over 40 years of experience and also provides legacy system maintenance and analysis services.

Differentiator

Problem solved

Functional benefit

Products and services

• Semiconductor Exposure Equipment Software Development
• Semiconductor Measurement and Inspection Equipment Software Development
• Liquid Crystal Exposure Equipment Software Development
• Hospital Clinical Information Systems Development
• Hospital Administrative Systems Development
• Legacy System Analysis and Maintenance Services
• Temporary Staffing Services

Named customers7 records

Segments2 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators2 records

Recent moves7 records

Expansion highlights4 records

Broad incumbents

• ABB: Global industrial automation and control systems provider. Comparable in the control-system integration domain that JSC serves, but as a multinational incumbent with much broader scope.
• NEC Corporation: Major Japanese IT/services firm with significant hospital information system and public-sector software businesses. Overlaps with JSC's healthcare IT vertical as a broad incumbent competitor.
• Fujitsu: Large Japanese IT services provider with deep hospital information system practice (FUJITSU Healthcare Solutions) and industrial software offerings. Comparable in customer segments but at vastly greater scale and breadth.
• Omron: Major Japanese supplier of PLCs, sensors, and industrial control components. Operates in the same control-system ecosystem JSC serves with software, but as a hardware incumbent rather than a software specialist.
• Mitsubishi Electric: Industrial automation incumbent offering PLCs, motion control, and CNC systems. Overlaps with JSC's industrial control software domain as a broader automation portfolio player.
• NTT Data: Largest Japanese IT services firm with a substantial hospital information system business (e.g., HOPE/EGMAIN series). Competes with JSC's healthcare IT vertical as a broad incumbent.

Direct peers

• Yokogawa Electric: Japanese industrial automation leader producing DCS, control systems, and field instruments. Directly comparable to JSC's control system integration work for semiconductor and process equipment, though at vastly greater scale.
• Software Service (Japan): Japanese hospital information system vendor serving medical institutions. Closely comparable to JSC's hospital IT vertical, with overlapping product scope (clinical and administrative modules for hospitals).
• NS Solutions: Japanese IT services firm (Nippon Steel subsidiary) providing custom systems for manufacturing and industrial clients, including CIM-style integrations — closely comparable to JSC's industrial software services model.
• TIS Inc. Mid-to-large Japanese IT services company offering custom system development for industrial and financial clients. Comparable business model to JSC's professional services software development, though materially larger.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

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 Japan System Control