What Seiki Co. does

Seiki Co. Ltd. (株式会社セイキ) is a Japanese bespoke factory automation (FA) equipment manufacturer founded in July 1976 and headquartered in Uozu City, Toyama Prefecture. The company designs and builds fully custom, one-of-a-kind FA machines for enterprise manufacturers in four principal verticals: automotive parts (connectors, control units, fuses, motors, springs, relays), electronics (laser printer consumables, hard disk drive components), precision machinery, and semiconductors. Every machine is a project-based sale with no off-the-shelf catalog, engineered to the customer's specific product geometry, takt time, and quality requirements. Seiki operates exclusively in Japan through direct sales led by technically trained account staff.

The core technology is an in-house, design-to-delivery production chain that integrates mechanical design, electrical control design, precision component manufacturing, assembly, adjustment, and on-site installation. Manufacturing assets include 3D CAD across 44 stations, a world-class 5-axis machining center (Yasuda YBM Vi40), wire EDM, precision grinding, in-house component production across four of seven factories, and high-speed camera verification at up to 10,000 fps. The seven factories occupy a 19,000m² site (9,100m² of floor space) and were built progressively from 2004 through December 2023, with Factory 6 (1,400m², September 2019) and Factory 7 (December 2023) as the most recent expansions. Micron-level (1/1000mm) assembly precision is delivered by veteran technicians who rely on tactile and auditory cues rather than software automation. ISO 9001 (June 2000) and ISO 14001 (June 2001) certifications cover quality and environmental management.

Revenue is generated on a project-by-project basis with individual quotations per machine; no pricing, contract value, or revenue figures are publicly disclosed. As of April 2026, the company has 144 employees. Seiki has been a wholly-owned subsidiary of Kurashiki Bōseki (Kurabo Industries, TSE Prime ticker 3106) since February 2021, with Morishige Kiyoshi (森重 潔) as Representative Director and President since that date. The company holds METI Regional Future Driver Enterprise recognition (October 2020) and an A-rank classification from Tokyo Shoko Research's Yuryo Kigyo Guide, placing it in the top 8% of approximately 5.97 million Japanese companies.

Name

Seiki Co.

Legal name

株式会社セイキ

Website

https://seiki-toyama.co.jp

Company type

Private

Founded year

1976

Operating status

Operating

Headcount range

101–250 employees

Short description

Seiki Co. is a Japanese bespoke factory automation equipment manufacturer founded in 1976, building fully custom one-of-a-kind FA machines for automotive, electronics, precision machinery, and semiconductor manufacturers across Japan.

Ownership category

akta.pro rank

Headquarters

HQ city

Uozu

HQ country

Japan

HQ region

Asia

Offices7 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Infrastructure, Technology or R&D, Operations

Revenue model

1. Custom FA Equipment Design and Manufacturing: Design and manufacture of fully customized, one-of-a-kind factory automation equipment built per customer specification. Each piece of equipment is a unique, project-based sale from conception to delivery and installation. The company handles the full lifecycle from design through in-house manufacturing, assembly, adjustment, and on-site commissioning.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels7 records

Core offering

Seiki designs, manufactures, and commissions fully custom, one-of-a-kind factory automation (FA) equipment under one roof — from mechanical design and electrical control design through in-house precision machining, component fabrication, assembly, adjustment, and on-site installation. Each piece of equipment is bespoke, built per a specific customer's product specification with no off-the-shelf equivalents, serving automotive parts, electronic components, laser printer consumables, hard disk drive parts, resin molded products, and semiconductor-related applications.

Product overview

Seiki Co. is a first-class FA equipment manufacturer specializing in fully custom, made-to-order factory automation (FA) equipment. Their product portfolio consists exclusively of bespoke industrial machines designed, manufactured, assembled, and commissioned entirely in-house — from mechanical design and electrical control design through component fabrication, assembly, wiring, adjustment, and on-site installation. The company produces a wide range of custom FA equipment for electronic components, automotive parts, precision machinery, laser printers, and semiconductor applications, each designed as a unique, one-of-a-kind machine. Key products include automotive connector terminal insertion/assembly/inspection/packing equipment, automotive control unit component assembly/inspection machines, automotive fuse assembly/inspection/packing equipment, automotive motor/spring/relay component assembly/inspection equipment, laser printer toner cartridge and ink cartridge assembly machines, hard disk drive component processing/inspection/packing equipment, resin molded product assembly/inspection equipment, resin container appearance inspection equipment, and various semiconductor-related production equipment.

Differentiator

Problem solved

Functional benefit

Products and services

• Custom FA Equipment for Automotive Connector Terminal Insertion, Assembly, Inspection, and Packaging (車載コネクタ端子挿入組立検査梱包機) Bespoke FA equipment for automotive connector terminal manufacturers. Performs terminal insertion, assembly, inspection, and packaging operations in a single integrated custom line, designed per the customer's connector specifications and required throughput.
• Custom FA Equipment for Automotive Control Unit Component Assembly and Inspection (車載コントロールユニット部品組立検査機) Bespoke FA equipment for automotive control unit manufacturers. Performs component assembly and inspection of automotive control units in a custom-configured automated line, built to the customer's product geometry and quality standards.
• Custom FA Equipment for Automotive Fuse Assembly, Inspection, and Packaging (車載ヒューズ組立検査梱包機) Bespoke FA equipment for automotive fuse manufacturers. Integrates assembly, inspection, and packaging of automotive fuses into a single custom automated line.
• Custom FA Equipment for Automotive Motor Component Assembly and Inspection (車載モーター部品組立検査機) Bespoke FA equipment for automotive motor parts manufacturers. Performs assembly and inspection of motor components in a custom automated configuration.
• Custom FA Equipment for Automotive Spring Component Assembly and Inspection (車載スプリング部品組立検査機) Bespoke FA equipment for automotive spring parts manufacturers. Performs assembly and inspection of spring components in a custom automated line.
• Custom FA Equipment for Automotive Relay Assembly and Inspection (車載リレー組立検査機) Bespoke FA equipment for automotive relay manufacturers. Performs assembly and inspection of relays in a custom automated configuration.
• Custom Block Module Equipment for Large-Scale Automotive Production Lines (ブロックモジュール設備) Bespoke block-module equipment for large-scale automotive component production lines. Enables modular scaling of automotive assembly and inspection lines through customized automation blocks.
• Custom FA Equipment for Laser Printer Toner Cartridge Assembly (激光打印机用トナーユニット組立機) Bespoke FA equipment for laser printer toner cartridge manufacturers. Performs custom assembly of toner cartridge units in an automated line tailored to the customer's cartridge design.
• Custom FA Equipment for Laser Printer Ink Cartridge Assembly (激光打印机用インクカートリッジ組立機) Bespoke FA equipment for laser printer ink cartridge manufacturers. Performs custom assembly of ink cartridges in an automated line tailored to the customer's cartridge design.
• Custom FA Equipment for Hard Disk Drive Component Processing, Inspection, and Packaging (ハードディスク用部品加工検査梱包機) Bespoke FA equipment for hard disk drive component manufacturers. Integrates parts processing, inspection, and packaging of HDD components in a custom automated line.
• Custom FA Equipment for Resin Molded Product Assembly and Inspection (樹脂成形品組立検査機) Bespoke FA equipment for resin molded product manufacturers. Performs assembly and inspection of resin molded products in a custom automated configuration.
• Custom FA Equipment for Resin Container Appearance Inspection (樹脂容器外観検査機) Bespoke FA equipment for resin container manufacturers. Performs automated visual / appearance inspection of resin containers in a custom-configured line.
• Custom FA Equipment for Semiconductor-Related Production (半導体関連生産設備各種) Bespoke FA equipment for semiconductor and advanced electronics manufacturers. A range of custom production equipment tailored to specific semiconductor-related applications and customer processes.

Quantifiable outcome

• Micron-level (1/1000mm) adjustment accuracy achievable in precision assembly
• +2 more outcomes

Named customers6 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Scale indicators7 records

Recent moves14 records

Expansion highlights5 records

Direct peers

• Daihen Corporation: Daihen Corporation manufactures FA systems, power electronics, and industrial equipment. Comparable Japanese FA equipment manufacturer with similar bespoke custom equipment offerings across multiple industries.
• Sinfonia Technology Co., Ltd. Sinfonia Technology manufactures factory automation systems, motion control, and industrial machinery. Comparable Japanese mid-cap FA equipment maker with similar customer base in automotive and electronics component manufacturing.
• Fuji Corporation: Fuji Corporation is a Japanese manufacturer of factory automation machinery, including robotic systems and material handling equipment. Comparable custom FA equipment manufacturer serving similar automotive and electronics customers.
• Yamaha Motor Co., Ltd. Yamaha Motor's IM (Intelligent Machinery) division produces surface mounters, FA equipment, and industrial robots. Comparable custom FA equipment business serving electronics and automotive component manufacturers.
• Janome Corporation: Janome Corporation's Industrial Equipment Division manufactures precision assembly equipment, industrial robots, and FA systems. Comparable custom precision automation equipment maker with similar size and customer profile.
• Hirata Corporation: Hirata Corporation is a Japanese manufacturer of custom factory automation systems for automotive and electronics industries. Highly comparable business model of bespoke FA equipment for precision assembly and inspection, serving overlapping customer verticals.

Broad incumbents

• Mitsubishi Electric Corporation: Mitsubishi Electric operates a massive Factory Automation division offering PLCs, servo motors, CNC, and industrial robots. Comparable FA technology space but at much larger scale with standardized product platforms rather than bespoke equipment.
• Keyence Corporation: Keyence manufactures FA sensors, measurement systems, and machine vision. Comparable industrial automation adjacency but focuses on sensor/instrument products rather than integrated custom FA equipment.
• Omron Corporation: Omron is a global industrial automation leader offering sensors, controllers, and FA components. Comparable industrial automation space but serves as a broad component supplier rather than a custom FA equipment integrator.
• Yaskawa Electric Corporation: Yaskawa Electric is a global leader in motion control, servo motors, and industrial robots. Comparable factory automation space but focused on standardized robotics platforms rather than fully bespoke FA equipment.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

Compliance2 records

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 Seiki Co.