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  1. Home
  2. Machine elements and parts
  3. 光洋精機
Machine elements and parts
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光洋精機

EstablishmentDecember 1958
capital4000Ten thousand
number of employees82
addressTokyo/Shinagawa/6th floor, Miyata Building, 1-24-2 Oi
phone03-3778-3781
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last updated:Apr 15, 2019
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  • Products/Services(7)
  • catalog(3)
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光洋精機 Company Profile

We will supply high-quality products in semiconductor manufacturing equipment, communication devices, and ultra-precision component processing to everyone.

Since our founding in 1946, our company has been dedicated to serving everyone with the motto of "sincerity" through the "manufacturing and supply of high-quality products." In recent years, with the rapid development of society, customer needs have been changing constantly, and we are required to engage in clean, high-level, and high-precision manufacturing to meet new demands. In this context, in addition to our long-standing involvement in the processing and assembly of camera interchangeable lens components, we have been focusing on ultra-precision component processing in the fields of semiconductor manufacturing equipment, LCD panel exposure equipment, optical devices, and medical devices. At the same time, to fulfill the increasing customer demand for precise and high-quality processing, we have made proactive investments in equipment and strengthened our quality management system, which has enhanced our reputation as a reliable company, allowing us to continue growing day by day. Moving forward, we are committed to contributing to the realization of a richer society through our core business of precision component processing, while also striving to create a workplace where our employees can work with bright hopes for the future. We sincerely ask for your continued support and patronage.

Business Activities

○ Precision machining of semiconductor manufacturing equipment parts ○ Precision machining of liquid crystal manufacturing equipment parts ○ Precision machining of optical devices (measuring instruments, microscopes, cameras) ○ Precision machining of medical devices ○ Precision machining of aircraft parts ○ Other precision machining and assembly of parts

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Products/Services (7)

Koyo Seiki Co., Ltd. Company Profile product image
Koyo Seiki Co., Ltd. Company Profile
[Free Gift!] Booklet on VA/VE Techniques for Cost-Reduction Design in Machining product image
[Free Gift!] Booklet on VA/VE Techniques for Cost-Reduction Design in Machining
Koyo Seiki Equipment product image
Koyo Seiki Equipment
Koyo Seiki Co., Ltd. Coaxial Processing product image
Koyo Seiki Co., Ltd. Coaxial Processing

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catalog(3)

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Koyo Seiki Co., Ltd. Company Profile

Koyo Seiki Co., Ltd. Company Profile

COMPANY
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Koyo Seiki Company Overview

Koyo Seiki Company Overview

COMPANY
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Machining VA/VE Technology Handbook for Cost Reduction for Mechanical Designers

Machining VA/VE Technology Handbook for Cost Reduction for Mechanical Designers

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news(5)

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Acquisition of "Silver Certification" for Health and Excellent Enterprises.

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Our company has received the "Silver Certification" as a health-promoting company from the Tokyo Federation of National Health Insurance Associations on December 6, 2022, for actively engaging in health management initiatives. We will continue to actively work on promoting the health of our employees.

Dec 28, 2022

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[Notice] Featured in "Continuing: 50 Long-Lasting Companies in Tokyo"

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Koyo Seiki Co., Ltd. has been featured in "Continuing: 50 Long-Established Companies in Tokyo." This publication is a sequel to "70 Long-Established Companies in Tokyo," which was released on April 1, 2020. It was conceived with the belief that "now, amidst the sense of stagnation caused by the COVID-19 pandemic, it is worthwhile to delve deeper into what a company truly is." The featured companies include ours and consist of 50 corporations with a history of approximately 60 years or more. The companies range in size from large publicly listed firms to medium and small enterprises, but what they have in common is that their position as companies is firmly ingrained in their foundational aspects.

May 31, 2021

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[Notice] Inconel geometric tolerance achieved at 10μm

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Processed Inconel, a difficult-to-machine material. The geometric tolerance is within 10μm. We aim for the required precision while checking the condition of the cutting edges using various tools. The results are: Inconel: parallelism 0.002 to 0.008, flatness 0.002 to 0.007, perpendicularity 0.002 to 0.006. We have achieved stable precision.

May 27, 2021

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Detailed information

Company name 光洋精機
number of employees82
Contact addresspostalcode 140-0014 Tokyo/ Shinagawa/ 6th floor, Miyata Building, 1-24-2 OiView on map TEL:03-3778-3781 FAX:03-3778-3165
Industry Machine elements and parts
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