Porite Corporation

What Porite Corporation does

Porite Corporation (ポーライト株式会社) is a privately held Japanese powder metallurgy manufacturer founded in 1952 and headquartered in Ina Town, Saitama Prefecture, following a July 2024 relocation from Saitama City. The company specializes in three core product families: sintered oil-impregnated bearings (self-lubricating bearings for motors, fans, and automotive applications), sintered mechanical parts (high-precision gears, helical gears, small module gears, low-noise gears, interconnects, and soft magnetic materials), and Metal Injection Molding (MIM) products for complex-shaped precision components. Porite serves automotive, electronics, industrial equipment, and home appliance OEMs, with end applications including car-mounted motors, DLP projector motors, polygon scanner motors, LED cooling fans, and microwave oven components.

The company operates a global production and sales network comprising multiple Japanese factories (Kumagaya, Menuma, and the new Ina headquarters), wholly-owned manufacturing subsidiaries in Taiwan (two sites), Malaysia, China (Yangzhou), and India, alongside sales offices in the USA (Troy, Michigan), France (Bondoufle), and Singapore. Porite generates revenue through direct B2B sales of custom-designed precision metal components using a quote-based pricing model, with go-to-market executed through dedicated regional sales groups in East Japan (Kumagaya) and Chubu/Nishinippon (Osaka and Nagoya) plus its overseas subsidiaries. The company holds numerous patents and utility models and operates proprietary testing machines, with R&D and new business development functions housed at the new Ina facility.

Porite is family-controlled under the Kikuchi family (Masashi Kikuchi as President since June 2021; Maki Kikuchi as Chairman). The business recently secured a 300 million yen sustainability-linked loan from Musashino Bank tied to fuel cell separator sales, signaling a strategic extension into hydrogen economy components. Porite has received Japanese health management and Saitama Green Factory certifications and is positioning itself around ESG-linked industrial growth while maintaining its traditional powder metallurgy core.

Name

Porite Corporation

Legal name

ポーライト株式会社

Website

https://porite.co.jp

Company type

Private

Founded year

1952

Operating status

Operating

Headcount range

1–10 employees

Short description

Porite Corporation is a privately held Japanese powder metallurgy manufacturer founded in 1952, producing sintered oil-impregnated bearings, precision sintered gears and mechanical parts, and MIM components for automotive, electronics, industrial, and home appliance OEMs through a global manufacturing and sales network spanning Asia, North America, and Europe.

Ownership category

akta.pro rank

Product category

Powder Metallurgy Components

NAICS

Powder Metallurgy Part Manufacturing (332117)

SIC

Metal Forgings & Stampings (3460)

akta.pro primary industry

Industrial & Machinery Injection Molded Components (Gears, Wear Parts) (IMANAFAF)

Keywords

• Powder metallurgy components
• Sintered bearings manufacturing
• Metal injection molding
• Precision metal parts
• Automotive sintered components

Headquarters

HQ city

伊奈町

HQ country

Japan

HQ region

Asia

Offices14 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Sintered Parts Manufacturing: Manufacturing and sales of sintered oil-impregnated bearings, sintered mechanical parts, and MIM products. Products are sold directly to customers in automotive, electronics, and industrial sectors worldwide.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels3 records

Core offering

Porite Corporation manufactures sintered metal components using powder metallurgy technology. Its three core product lines are sintered oil-impregnated bearings (self-lubricating bearings for motors, fans, and automotive applications), sintered machine parts (precision gears, helical gears, small module gears, low-noise gears, interconnects, and soft magnetic materials), and Metal Injection Molding (MIM) products for complex-shaped precision components. Output is sold B2B to manufacturers in automotive, electronics, home appliances, and industrial equipment sectors worldwide.

Product overview

Porite Corporation is a global leading company in powder metallurgy technology, manufacturing three core product lines: sintered oil-impregnated bearings (self-lubricating bearings for motors, fans, automotive, LED cooling, and office equipment), sintered machine parts (high-precision gears, helical gears, small module gears, low-noise gears, interconnects, and soft magnetic materials), and MIM products (Metal Injection Molding for complex-shaped precision components). The company operates as a traditional precision components manufacturer without a software platform, APIs, or AI/ML-enabled products.

Differentiator

Problem solved

Functional benefit

Products and services

• Sintered Oil-Impregnated Bearings (焼結含油軸受) Self-lubricating sintered bearings with controlled porosity for oil retention, eliminating the need for external lubrication. Used in motors, fans, automotive components, LED cooling, microwave ovens, and office equipment.
• Sintered Machine Parts (焼結機械部品) Precision sintered mechanical components including high-precision gears, helical gears, small module gears, low-noise gears, automotive parts, interconnects, and soft magnetic materials for automotive and industrial applications.
• Metal Injection Molding (MIM) Products (MIM製品) Metal Injection Molding products that produce complex-shaped precision components, including various gears and custom-shaped metal parts, suitable for applications requiring intricate geometries and high dimensional accuracy.
• Fuel Cell Separator (燃料電池用セパレータ) Sintered metal separator components for fuel cell applications, with sales growth tied to a sustainability-linked financing structure anchored on volume targets.

Named customers4 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators4 records

Recent moves7 records

Expansion highlights3 records

Direct peers

• Fine Sinter Co., Ltd. Subsidiary of Sumitomo Electric Industries and one of Japan's leading powder metallurgy parts manufacturers, producing sintered components and bearings for automotive and industrial applications. Closest direct competitor to Porite in Japanese PM market.
• Sintec Group: European manufacturer of sintered parts and bearings, supplying automotive, industrial, and consumer markets with PM components. Similar product focus on bearings and structural PM parts makes it a direct peer in the global mid-market.
• AMES Group (AMES Sintering): Spanish powder metallurgy parts manufacturer producing sintered and MIM components for automotive, industrial, and consumer applications. Comparable mid-sized specialist with multi-product PM portfolio similar to Porite.
• Stackpole International: Canadian-headquartered manufacturer of powder metallurgy components including gears, bearings, and structural parts for automotive and industrial markets. Closely comparable in product offering (sintered gears and bearings) and customer mix to Porite.

Broad incumbents

• Höganäs AB: Swedish global leader in metal powders for powder metallurgy, supplying the same sintered parts and bearings ecosystem in which Porite competes. While primarily a powder supplier, its downstream partnerships and technology efforts make it a broad incumbent shaping the competitive landscape.
• GKN Powder Metallurgy (Hoerbiger / Dong Yang): One of the world's largest producers of powder metal components, serving automotive and industrial customers globally with sintered parts, bearings, and MIM products. Directly comparable product portfolio and global footprint make it a major incumbent competitor.
• Resonac Holdings (formerly Hitachi Chemical): Japanese materials company with powder metallurgy capabilities serving automotive, electronics, and industrial markets. Operates a diversified portfolio beyond PM, making it a broad incumbent comparable to Porite in bearing and mechanical parts applications.
• Sumitomo Electric Industries: Japanese conglomerate with a major powder metallurgy division (Fine Sinter) producing sintered parts, bearings, and MIM products for automotive and industrial markets globally. Significantly larger scale and broader product portfolio make it the most direct large incumbent comparable to Porite.

Regional players

• Dou Yee Enterprises: Singapore-headquartered manufacturer with MIM and powder metallurgy capabilities serving electronics and automotive customers across Asia. Comparable in MIM technology focus and Asian manufacturing footprint, though smaller in traditional PM bearings.
• Dai-ichi High Frequency (now part of Nippon Steel): Japanese manufacturer of powder metallurgy products, particularly soft magnetic materials (SMC) used in motors and electrical applications. Overlaps with Porite's SMC product line and serves similar Japanese customers.

Market position

Strengths5 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Instagraminstagram.com/porite.official
• LinkedInlinkedin.com/company/porite-corporation

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries7 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 Porite Corporation