Toyo Seiko Co.
Toyo Seiko Co., Ltd. is a 46-employee Japanese precision metal-processing manufacturer in Ayabe, Kyoto, specializing in cold-forging dies, medical molds, and ultra-precision components (1-micron tolerance) machined from cemented carbide and other hard alloys for domestic B2B customers in fastener, machinery, and industrial sectors.
- Company typePrivate
- Founded1964
- HeadquartersAyabe, Japan
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What Toyo Seiko Co. does
Toyo Seiko Co., Ltd. (東陽精工株式会社) is a precision metal-processing manufacturer headquartered in Ayabe, Kyoto, Japan, founded in 1964 (originally as Tsuda Industry Co., Ltd.) and operating as a subsidiary of Nittoseiko Co., Ltd. since July 2014. The company employs 46 people at a single integrated facility and runs an equipment base of more than 41 machines spanning EDM, wire-cut EDM, cylindrical grinding, and lapping. It specializes in cold-forging dies, medical molds, and ultra-precision components machined from cemented carbide, high-speed steel, stainless steel, titanium, aluminum, brass, and other difficult-to-cut alloys, achieving tolerances down to 1/1000mm (1 micron) through a combination of in-house one-stop processing and skilled artisan craftsmanship.
Its product portfolio centers on three categories: cold-forging dies for high-speed fastener and precision-part production; medical molds requiring sub-micron adjustments; and a long tail of precision components (shafts, rollers, spray nozzles, punches, heading dies, titanium and brass parts, disk-shaped parts, knives, snaps, and cylindrical parts). Manufacturing covers the full process chain in-house — cutting, grinding, EDM, wire-cut, polishing, pressing, brazing, and heat treatment — which the company positions as its core differentiator versus fragmented multi-vendor supply chains.
The business model is direct B2B, project-based, quote-driven, with no public pricing. Customers contact Toyo Seiko via website inquiry form or telephone for custom orders; pricing varies by material, complexity, tolerance, and volume. Marketing channels are limited to a Japanese-language website, regional trade fairs (e.g., Kyoto Business Fair 2020), and referrals within the Nittoseiko Group ecosystem. Customers span fastener manufacturing (Turnine Japan), precision machinery (Futaku Precision Machinery), control systems (Hi-Lex), industrial products (Nippon Pillar), electronics (Matsuo Electric), hydraulics (Sanwa Hydrotec), and general manufacturing (Ogawa Zen) — primarily Japanese enterprises served within the Kansai region and broader domestic market.
Toyo Seiko Co. firmographics
Firmographics- Name
- Toyo Seiko Co.
- Legal name
- 東陽精工株式会社
- Website
- https://touyouseikou.jp
- Company type
- Private
- Founded year
- 1964
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Toyo Seiko Co., Ltd. is a 46-employee Japanese precision metal-processing manufacturer in Ayabe, Kyoto, specializing in cold-forging dies, medical molds, and ultra-precision components (1-micron tolerance) machined from cemented carbide and other hard alloys for domestic B2B customers in fastener, machinery, and industrial sectors.
- Ownership category
- akta.pro rank
Toyo Seiko Co. industry classification
Industry- Product category
- Precision Metal Components and Tooling
- NAICS
- Machine Shops (332710), Turned Product and Screw, Nut, and Bolt Manufacturing (33272), Cutting Tool and Machine Tool Accessory Manufacturing (333515)
- SIC
- Screw Machine Products (3451)
- akta.pro primary industry
- Metal Cutting Tools, Tooling & Workholding (Cutters, Inserts, Chucks, Fixtures) (IMAHADAB)
Keywords
Where Toyo Seiko Co. is headquartered
LocationHeadquarters
- HQ city
- Ayabe
- HQ country
- Japan
- HQ region
- Asia
Offices1 record
Markets served
Toyo Seiko Co. business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Operations, Technology or R&D, Supply Chain
Revenue model
- Precision Parts Manufacturing and Sales: Custom manufacturing and sale of precision metal components including forged parts, precision parts, medical molds, and mold components. Revenue is generated through project-based orders for custom parts with no public pricing — customers request quotes directly.
- Mold Manufacturing and Sales: Design and manufacture of cold-forging dies, medical molds, and general-purpose molds. Customers are served on a project-by-project basis for custom tooling.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Custom project-based pricing — no published tiers |
Go-to-market motion1 record
Distribution channels2 records
Marketing channels3 records
Toyo Seiko Co. product offering
Product offeringCore offering
Toyo Seiko Co. (東陽精工株式会社) manufactures precision metal components and molds with specialization in ultra-hard materials such as cemented carbide, high-speed steel, stainless steel, titanium, brass, and aluminum. The company operates an integrated one-stop processing facility covering cutting, grinding, EDM, wire-cut, polishing, pressing, brazing, and heat treatment. Products include cold forging dies, medical molds, precision parts, nozzles, punches, rollers, and shafts, primarily serving fastener manufacturers, medical device companies, and industrial manufacturers in Japan.
Product overview
Toyo Seiko Co. (東陽精工株式会社) is a precision metal processing company offering integrated manufacturing services. The company specializes in cemented carbide and precision metal component manufacturing, providing cold forging dies, medical molds, and various precision parts. The product portfolio centers on three main categories: cold forging dies (鍛造用金型) for high-speed fastener production, medical molds (医療用金型) requiring micrometer-level precision, and diverse precision components (精密部品) including shafts, rollers, nozzles, punches, and specialty parts. The company employs integrated one-stop processing (一貫加工) combining grinding, EDM, wire cutting, pressing, brazing, and polishing capabilities. Materials processed include cemented carbide, stainless steel, copper, high-speed steel, tool steel, brass, die steel, heat-resistant alloys, and aluminum. The company prioritizes craftsmanship with skilled technicians achieving 1/1000mm precision tolerances.
Differentiator
Problem solved
Functional benefit
Products and services
- Cold Forging Dies (鍛造用金型) Custom-manufactured dies for cold forging machines used to produce screws and precision forged parts at high speeds (hundreds of rotations per minute). Made from cemented carbide and high-speed steel, requiring high precision, durability, and mirror-like surface finishes for extreme operating conditions.
- Medical Molds (医療用金型) High-quality molds for medical device and pharmaceutical applications requiring precise measurement and accuracy. Supports design through manufacturing with ultra-precision adjustments down to micrometer levels for accurate dosing and medical device production.
- Precision Parts (精密部品) Various precision components manufactured using combined machining technologies. Includes ultra-precision parts, shafts, rollers, disks, punches, knives, snaps, and specialty parts for power infrastructure, hydraulic, electronics, and medical equipment applications.
- Spray Nozzles (スプレーノズル) Precision spray nozzles for gas and oil applications, including special-shaped nozzles and small-diameter variants manufactured to tight tolerances.
- Resin Molding Dies (樹脂成形用金型) Molds for resin forming applications and related injection molding components, described as craft-like precision work with tight tolerance requirements.
- Non-ferrous Metal Products (非鉄製品) Components manufactured from aluminum, copper, brass, and other non-ferrous metals for various industrial applications.
- Titanium Parts (6-4 Titanium / Pure Titanium) Precision components made from 6-4 titanium alloy and pure titanium for applications requiring corrosion resistance and high strength-to-weight ratio.
- Ultra-precision Parts (超精密部品) Components manufactured using multi-tasking machines achieving extremely tight tolerances for critical applications where standard precision is insufficient.
- Spiral Forming Molds (スパイラス成形金型) Molds for spiral forming operations in the general-purpose mold category, used in specialized forming and shaping applications.
Quantifiable outcome
- Short lead times through integrated manufacturing — no need to outsource any process
- +2 more outcomes
Companies that use Toyo Seiko Co.
Customer profileNamed customers7 records
Segments3 records
Ideal customer profiles3 records
Toyo Seiko Co. technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
Toyo Seiko Co. partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- 日東公進株式会社 (Nitto Koshin Co., Ltd.)minorAn affiliate company within the Nittoseiko Group. Nitto Koshin specializes in counting machines, packaging machines, PCB inspection equipment, and industrial screw fastening machines. Long-standing customer relationship (transaction started April 1969).
Scale indicators4 records
Recent moves6 records
Expansion highlights4 records
Toyo Seiko Co. competitors and assessment
Company assessmentDirect peers
- Fuji Die Co., Ltd. Specializes in cemented carbide precision dies, wear-resistant parts, and tooling — directly overlapping with Toyo Seiko's cemented carbide die and cold forging tool business.
- Sodick Co., Ltd. Japanese manufacturer of EDM machines and precision machining services, with deep expertise in cemented carbide and ultra-precision work. Closely comparable to Toyo Seiko in EDM-based hard-material processing, though larger and primarily a machine OEM.
- NS Tool Co., Ltd. Producer of micro-precision carbide cutting tools (small-diameter end mills, drills). Comparable in focus on ultra-precision tooling and cemented carbide machining for demanding industrial applications.
- Union Tool Co., Ltd. Manufacturer of precision cutting tools (end mills, drills) and carbide tooling. Comparable as a Japanese specialist in cemented carbide precision tooling serving industrial customers.
- Tanaka Seimitsu Kogyo Co., Ltd. Specializes in high-precision turned metal components for automotive, hydraulics, and industrial applications. Closely matches Toyo Seiko's precision parts (shafts, pins, rollers) business model.
Broad incumbents
- Mitsubishi Materials Corporation: Large Japanese conglomerate with significant cemented carbide, cutting tool, and precision components businesses. Indirectly comparable as the parent-category player that Toyo Seiko supplies into via the precision tooling value chain.
- Dai-ichi Seiko Co., Ltd. Larger Japanese manufacturer of precision components, including micro-miniature precision parts for watches, autos, and electronics. Comparable in precision-component manufacturing but at significantly greater scale and broader end-market exposure.
- Tungaloy Corporation: Major cemented carbide tooling and cutting tool manufacturer with global presence. Comparable in hard-material cutting tool production, though significantly larger and more international.
Market position
Strengths5 records
Weaknesses4 records
Competitive moat3 records
Key risks6 records
Key highlights6 records
Customer concentration
Toyo Seiko Co. social profiles
Digital presenceToyo Seiko Co. financial estimates
Financial estimateRevenue estimate
Valuation estimate
Toyo Seiko Co. leadership team
Management profileNumber of profiles
Profiles4 records
Toyo Seiko Co. funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Toyo Seiko Co. M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Toyo Seiko Co.
What does Toyo Seiko Co. do?
Toyo Seiko Co. (東陽精工株式会社) manufactures precision metal components and molds with specialization in ultra-hard materials such as cemented carbide, high-speed steel, stainless steel, titanium, brass, and aluminum. The company operates an integrated one-stop processing facility covering cutting, grinding, EDM, wire-cut, polishing, pressing, brazing, and heat treatment. Products include cold forging dies, medical molds, precision parts, nozzles, punches, rollers, and shafts, primarily serving fastener manufacturers, medical device companies, and industrial manufacturers in Japan.
Is Toyo Seiko Co. a public or private company?
Toyo Seiko Co. is a private company. It is classified as corporate owned and is currently operating.
When was Toyo Seiko Co. founded?
Toyo Seiko Co. was founded in 1964. It employs 11 to 50 people.
Where is Toyo Seiko Co. based?
Toyo Seiko Co. is headquartered in Ayabe, Japan, in the Asia region.
How does Toyo Seiko Co. make money?
Two revenue lines are on record. Precision Parts Manufacturing and Sales are the primary driver. The others are mold Manufacturing and Sales.
Who are Toyo Seiko Co.'s main competitors?
Direct peers on record are Fuji Die Co., Ltd., Sodick Co., Ltd., NS Tool Co., Ltd., Union Tool Co., Ltd. and Tanaka Seimitsu Kogyo Co., Ltd.. Broad incumbents are Mitsubishi Materials Corporation, Dai-ichi Seiko Co., Ltd. and Tungaloy Corporation.
Does Toyo Seiko Co. have an API?
No public API is recorded for Toyo Seiko Co..
What industry is Toyo Seiko Co. in?
Toyo Seiko Co.'s product category is Precision Metal Components and Tooling. Its primary akta.pro industry code is IMAHADAB, Metal Cutting Tools, Tooling & Workholding (Cutters, Inserts, Chucks, Fixtures). Its NAICS code is 332710 and its SIC code is 3451.