トーカイ（株）

What トーカイ（株） does

Tokai Corporation (トーカイ株式会社) is a Japanese hot precision die forging manufacturer headquartered in Seki City, Gifu Prefecture — a region historically known as Japan's blade-forging center. Founded in 1969 as a subsidiary of TDF Corporation (now operating as IJTT), the company operates six factories at its single Seki campus, equipped with a press fleet spanning 3500T, 2500T, 1600T, and 1000T crank presses, 600T/400T screw presses, and air drop hammers, with robotic integration on automated lines. Production covers the full value chain in-house: material cutting, hot forging, heat treatment, mold fabrication, inspection, finishing, and machining, with IATF16949:2016 automotive QMS certification (obtained June 2023) and ISO9001/ISO14001 certifications.

The company's product portfolio centers on forged components for three end markets: automotive (engine and brake parts, automatic transmission components such as flanges, shafts, hubs, and clutch drums, and suspension parts including rear hubs and knuckles), industrial vehicles (forklift components like high/low speed gear shifts, clevis lock cylinders, steering knuckles, and fork hooks), and construction machinery (shaft, gear, and attachment components). It also offers custom-developed products (yokes with splines, differential cases, reduction drive gears, motor shafts) for new-part engineering. Named major customers include Mazda, Toyota Industries, Aisin, Kayaba Industry, Inatech, Toyoda, Nagakura Seisakusho, and Toyosei Brake Industry — approximately 25 tier-1/OEM accounts in total.

Tokai generates revenue through direct B2B sales of custom-manufactured forged parts via an enterprise field-sales motion, with quotation-based pricing negotiated per project through its Sales Department. The GTM channel is inquiry-driven rather than outbound marketing. Geographic exposure is single-country (Japan). The company is a privately held subsidiary of IJTT, with Yoshida Yutaka as representative director and president. No external funding, no public listing, and no international expansion are evident in the source data.

Name

トーカイ（株）

Legal name

トーカイ株式会社

Website

https://tokai-forge-ind.co.jp

Company type

Private

Founded year

1969

Operating status

Operating

Headcount range

1–10 employees

Short description

Tokai Corporation (トーカイ株式会社) is a Japanese hot precision die forging manufacturer serving Japanese automotive, industrial vehicle, and construction machinery OEMs and tier-1 suppliers with vertically integrated in-house production from forging to machining.

Ownership category

akta.pro rank

Product category

Forged Metal Components

NAICS

Special Die and Tool, Die Set, Jig, and Fixture Manufacturing (333514), Plate Work Manufacturing (332313)

akta.pro primary industry

Metal Forming & Fabrication Machines (Presses, Bending, Shearing, Stamping) (IMAHADAC)

Keywords

• Hot die forging
• Precision forging
• Automotive components
• Forged metal parts
• Industrial vehicle parts

Headquarters

HQ city

Seki

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Hot Forged Parts Manufacturing and Sales: Design, manufacture, and sale of precision hot die forged parts for automotive, industrial vehicles, and construction machinery. Revenue generated through direct B2B sales of custom-forged components, with full in-house capabilities from forging to machining.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Tokai Corporation is a specialized hot precision die forging manufacturer that designs, produces, and sells forged metal components for the automotive, industrial vehicle, and construction machinery industries. Operating six factories in Seki City, Gifu Prefecture, the company provides end-to-end in-house manufacturing from raw material cutting, forging, and heat treatment through mold fabrication, inspection, and final machining. The portfolio includes engine/brake parts, transmission parts, suspension/wheel-end parts, industrial vehicle components, construction machinery parts, and custom-developed forging products.

Product overview

Tokai Corporation (トーカイ株式会社) is a specialized hot precision die forging manufacturer serving the automobile, industrial vehicle, and construction machinery industries. The company offers a portfolio of forged components including engine/brake parts, automatic transmission parts, suspension parts, and industrial/construction machinery parts, along with original developed products available for custom design and manufacturing. Manufacturing capabilities encompass the full production chain from material cutting through forging, heat treatment, mold fabrication, inspection/finishing, and machining, supported by advanced equipment including 3500T crank presses, screw presses, and air drop hammers. The company also provides prototyping and mass production services for new component development.

Differentiator

Problem solved

Functional benefit

Products and services

• Engine/Brake Parts (エンジン・ブレーキ部品)
• Transmission Parts (ミッション部品)
• Suspension Parts (足回り部品)
• Developed Products (開発品)
• Industrial Vehicle Parts (産業車両部品)
• Construction Machinery Parts (建設機械部品)
• Hot Precision Die Forging Manufacturing Services

Quantifiable outcome

• Established relationships with 25 major automotive and industrial vehicle manufacturers
• +2 more outcomes

Named customers8 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Two partnerships are on record, tiered minor.

• FC Gifu (FC岐阜)minorGTM or Marketing Partner · 31 July 2025Tokai sponsors FC Gifu's 'Green Curtain Project' - a carbon-reduction initiative that installs hechima (luffa) plants on school windows to reduce indoor temperatures and promote energy savings. The company also implements similar energy-saving measures internally at their offices.
• TDF Corporation (TDF株式会社)OthersParent company relationship. TDF Corporation (現株式会社IJTT) originally established Tokai as a subsidiary in 1969. TDF transferred a 1600T press to Tokai in 2010.

Scale indicators3 records

Recent moves26 records

Expansion highlights5 records

Direct peers

• Sato Forge Co., Ltd. (佐藤鍛造所): Japanese precision forging specialist serving automotive and industrial machinery customers with hot and warm forging capabilities. Closely comparable in business model — custom forged parts delivered to Japanese OEMs and tier-1 suppliers.
• Suncall Corporation: Japanese precision parts manufacturer specializing in formed metal products including transmission components and automotive parts. Comparable precision forming capabilities and tier-1 automotive customer relationships.
• Mitsubishi Steel Mfg. Co., Ltd. Japanese specialty steel and forging manufacturer with capabilities in precision forged parts for automotive and industrial applications. Similar focus on heat-treated forged components.
• Hirata Forge Co., Ltd. Mid-sized Japanese forging company with capabilities in hot forging, heat treatment, and machined forged components for automotive and construction machinery applications. Comparable customer base and vertical-integration profile.
• Asahi Forge Corporation: Japanese precision forging company serving automotive, construction equipment, and industrial machinery markets with hot forging and machining services. Comparable scale, technology, and customer orientation.

Broad incumbents

• Aichi Steel Corporation: Toyota Group specialty steel and forging company producing forged parts for automotive drivetrains and chassis. A larger, more diversified incumbent operating broadly in Japanese automotive forging, with significant overlap in forged crankshafts, gears, and transmission components.
• Kobe Steel, Ltd. (KOBELCO): Diversified Japanese materials and machinery producer including automotive forgings and construction machinery components. A broad incumbent with overlapping customer base in construction machinery.
• Bharat Forge Limited: World's largest forging company by volume, serving global automotive, industrial, and construction equipment OEMs. While much larger and India-based, it competes for the same global forging programs that drive Japanese OEM supplier decisions.
• Nippon Steel Corporation (Forging Division): Major Japanese steelmaker with significant forging operations serving automotive, industrial machinery, and construction equipment. Larger, more diversified incumbent with overlapping forged-component capabilities.

Regional players

• Honda Precision Forge (Honda附属部品): Captive forging operation serving Honda's domestic drivetrain and chassis component needs. Represents the in-sourced alternative that Japanese OEMs may choose, serving as a structural benchmark and competitive threat.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/%E3%83%88%E3%83%BC%E3%82%AB%E3%82%A4%EF%BC%88%E6%A0%AA%EF%BC%89

Compliance4 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 トーカイ（株）