Company Profile

Company Brochure 2026

Pioneer in High-Precision Probe Pin Manufacturing
Creating the Future of Semiconductor Testing
Founded 1950 — Over 75 Years of Technology and Trust
Company Name YAMATE PEARL & PIN MFG. CO., LTD.
New Crown
Founded December 1950
President Masahiro Yamate
Capital 3,000,000 JPY
Employees 12 (As of November 2025)
Head Office 〒733-0007
2-16-10 Omiya, Nishi-ku, Hiroshima, Japan
TEL: +81-82-237-3332
E-mail: m_box@yamate-net.co.jp (General)
E-mail: recruit@yamate-net.co.jp (Recruitment)
Business ・Probe pin manufacturing for semiconductor testing
・MEMS probe manufacturing
・Precision machining technology R&D
・Sewing needle manufacturing & sales
・100-yen shop sewing supplies wholesale
・Trade agency services
Bank Hiroshima Shinkin Bank, Misasa Branch
Website https://yamate-net.co.jp

Mission

To contribute to the development of the semiconductor industry through high-precision probe pins, achieving quality improvement and cost reduction for our customers.

Vision

To create new standards in semiconductor testing with industry-leading precision control technology, and become a trusted company for customers worldwide.

Values

  • Quality First: Uncompromising precision control
  • Innovation: Constantly pursuing cutting-edge processing technology
  • Customer Success: Your success is our success
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1950

Foundation

Founded in Misasa-cho, Hiroshima City; started sewing needle manufacturing

1953

Branch Factory

Opened in Chiyoda Town, Yamagata County, Hiroshima (now Kita-Hiroshima City)

1955

Second Branch

Opened in Oasa Town, Yamagata County, Hiroshima (now Kita-Hiroshima City)

1964

Packaging Factory

New factory in Yoshida Town, Takata County (now Akitakata City)

1996

Semiconductor Entry

Started mechanical polishing cantilever probe manufacturing

1997

Business Diversification

Started wholesale of sewing supplies for 100-yen shops

2006

Ultra-Fine Development

Successfully developed φ65μm manufacturing

2008

Trademark Registration

Certified as regional collective trademark "Hiroshima Needle"

2008

New Head Office

Completed new headquarters with latest equipment, doubled production capacity

2010

Production Automation

Successfully automated cantilever probe production

2012

High-Precision Measurement

Introduced automatic measurement system, achieved 6.5% variation

2014

MEMS Factory Expansion

Strengthened ultra-high precision, ultra-fine short probe manufacturing

2015

MEMS PIN Production

Established mass production system for φ30μm×L4mm~

2016

φ20μm Development

Achieved industry-leading ultra-fine machining technology

2016

MEMS Automation

Achieved both high precision and high efficiency

2016

Ultra-Precision Measurement

Introduced top-class inspection equipment in Japan

2020

Mass Production System

Achieved stable supply with variation within ±5%

2024

Measurement System Evolution

Introduced 2nd generation ultra-high precision measurement system

75 Years of Innovation: Since our founding in 1950, we have leveraged precision machining technology cultivated in sewing needle manufacturing and entered the semiconductor industry in 1996. Through over 20 years of technological innovation, we successfully developed ultra-fine diameters of φ65μm in 2006 and φ20μm in 2016. We now stably supply industry-leading high-precision products with variation within ±5%.

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Probe Pin Division

Our core business division designs and manufactures probe pins for semiconductor testing. We stably supply high-quality probe pins through industry-leading precision control technology.

Main Products

  • Cantilever Probe Pins - For memory testing (wire diameter φ45-250μm, total length L35-110mm)
  • Vertical Probe Pins - For logic IC testing (wire diameter φ45-250μm, total length L35-110mm)
  • MEMS Probes - For next-generation semiconductor testing (ultra-fine diameter φ20μm~, ultra-short length L4mm~)

Technical Features

Ultra-High Precision

Wire diameter variation within ±5%. No incoming inspection or sorting required

Batch Processing

Stable quality mass production through proprietary batch polishing technology

100% Inspection

Zero defects through automatic measurement system inspection

Short Lead Time

50% lead time reduction through automated lines

Customer Benefits

  • Cost Reduction: Approximately 20% cost reduction by eliminating incoming inspection
  • Work Efficiency: Man-hour reduction by eliminating wire diameter sorting
  • Quality Improvement: Yield improvement through taper linearity enhancement
  • Extended Life: Running cost reduction through reduced probe card replacement frequency

Material Support

  • W, ReW, AgPdCu, BeCu, P7, Rh, etc. - Compatible with almost all materials
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Manufacturing Needle Division

We inherit traditional needle manufacturing technology cultivated since our founding in 1950, producing high-quality straight pins and sewing needles.

Main Products

  • Straight Pins - High-quality straight pins for handicrafts and dressmaking
  • Sewing Needles - Various sewing needles for home and professional use
  • Special Needles - Custom needle manufacturing for specific applications

Quality Commitment

Hiroshima Needle Tradition

Reliable quality certified as regional collective trademark

Selected Materials

Using highest quality stainless steel

Precision Processing

Applying precision technology from probe pin manufacturing

Quality Control

Quality assurance through 100% visual inspection

100-Yen Shop Division

We manufacture and wholesale sewing supplies for 100-yen shops. High-quality products at reasonable prices are loved by many customers.

Main Products

  • Sewing Sets - Basic sets including needles, threads, and buttons
  • Straight Pin Sets - Various sizes of straight pins
  • Craft Supplies - Pins, accessory hardware, etc.

Business Features

Stable Supply

Stable production system through in-house factory

Quality Control

Applying quality standards from Manufacturing Needle Division

Logistics Management

Efficient inventory and shipping management in dedicated warehouse

Flexible Response

Can handle small lots and short lead times

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Trading Division

We provide trade agency services to support international transactions for small and medium-sized enterprises. We handle complex trade operations and support your global business.

Main Services

  • Import/Export Agency - Customs procedures, shipping document preparation, and all trade operations
  • Overseas Procurement Support - Supplier selection, price negotiation, quality control
  • Logistics Management - Arrangement of ocean freight, air freight, and domestic delivery
  • Trade Consulting - Advice on trade rules and regulations

Supported Regions

East Asia

Extensive transaction records with China, Korea, and Taiwan

Southeast Asia

Thailand, Vietnam, Malaysia, etc.

Americas & Europe

Support for transactions with USA and European countries

Other Regions

Flexible response to requests

Service Features

  • One-Stop Service: Total support for trade operations
  • Extensive Experience: Over 20 years of trade agency experience
  • Risk Management: Capability to handle exchange rate fluctuations and quality troubles
  • Cost Reduction: More economical than having dedicated staff

Recommended For

  • Small and medium enterprises starting overseas transactions
  • Companies without specialized trade operation staff
  • Companies handling small volume, multi-item import/export
  • Companies wanting to minimize trade risks

Stability Through Diversification

While probe pin business is our core, we operate Manufacturing Needle, 100-Yen Shop, and Trading divisions. Each division complements each other, building a stable management foundation resilient to economic fluctuations.

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Contact Us

Head Office

〒733-0007
2-16-10 Omiya, Nishi-ku, Hiroshima, Japan
TEL: +81-82-237-3332
General: m_box@yamate-net.co.jp
Recruitment: recruit@yamate-net.co.jp

Website

https://yamate-net.co.jp

For product information, technical documentation, recruitment information, please visit our website.
For quotations and technical consultations, please feel free to contact us.