The Yamaichi Electronics Group proactively creates better connections between people, enterprises, society,
and the Earth through its flexible technical capabilities and ingenuity, thus contributing to customers' value creation.
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2025.04.15
Notice Regarding Results and Completion of Acquisition of Treasury Shares
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2025.04.01
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2025.03.21
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2025.03.21
Notice of Decision on Matters Concerning Purchase of Treasury Shares
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2025.03.13
Notice Regarding Results and Completion of Acquisition of Treasury Shares
The Yamaichi Electronics Group is backed by an organic aggregation of various technologies for a variety of products, ranging from high-reliability IC sockets for semiconductor testing and connectors
and YFLEX® products (i.e., flexible printed circuit boards) for inter-equipment, unit-to-unit, and system-to-system connections, which affect the performance of equipment, to optical multi-layer thin-film filters that affect the quality of optical equipment.
The Yamaichi Electronics Group as your continuous best partner in the world of ever evolving electronics provides the latest solutions and opens up the future.
Core Business
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Test Solutions Business
As an essential part of the semiconductor inspection market, Yamaichi’s contact mechanism technology and micro-precision processing technology provide excellent global solutions for customers’ semiconductor inspection processes.
Detail
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Connector Solutions Business
By making full use of Yamaichi’s proprietary technologies, Yamaichi supports the technological innovations of leading-edge electronics with connectors and YFLEX® products that affect equipment performance.
Detail
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Optical-related Business
With the thin-film design and production technologies of Koshin Kogaku Co., Ltd., we offer optical multilayer thin-film filters and devices for optical applications, such as optical communication equipment, bio-related analysis equipment, and consumer optical equipment.
Detail
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Column
2025.03.28
Yamaichi Products Supporting Society – High-Speed Communications Supporting the Leap Forward in AI/ML
In this column, we will introduce the role our connectors play in hyperscale data centers.Detail
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Column
2024.11.15
Yamaichi Products Supporting Society – Connectors Play an Important Role in Satellite Internet
Satellite internet is gaining attention. Here, we introduce our connectors for it.Detail
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Column
2024.09.27
Initiatives to Improve Production Efficiency and Reduce Environmental Impact in Sakura Factory Building No.2
This column introduces the interior of Sakura Factory Building No.2 and our eco-friendly efforts.Detail
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Column
2024.08.30
Our Group’s Products That Support Society – High-Precision Filters That Support Technological Development
Koshin Kogaku Kogyo, a member of our group, produces multi-layer filters.Detail
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Column
2024.07.02
What Materials and Technologies Are Used to Make Burn-in Test Sockets for Semiconductor Inspection? Part2
We will introduce what materials the contacts used in testing IC sockets are made of.Detail
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Column
2024.05.31
Yamaichi Products Supporting Society – Where are Connectors and FPCs Used?
We will explain where and how our Connector Solution Business' products are used in real life.Detail
NEWS
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2025/04/15
IR
Notice Regarding Results and Completion of Acquisition of Treasury Shares
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2025/04/01
IR
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2025/03/21
Corporate
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2025/03/21
IR
Notice of Decision on Matters Concerning Purchase of Treasury Shares
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2025/03/13
IR
Notice Regarding Results and Completion of Acquisition of Treasury Shares
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2025/03/21
Corporate
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2024/10/25
Corporate
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2024/07/25
Corporate
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2024/05/24
Corporate
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2024/04/23
Corporate
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2024/12/23
Product
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2024/12/02
Product
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2023/08/17
Product
Released flexible substrates for high-temperature environments
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2022/12/09
Product
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2022/10/03
Product
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2025/04/15
IR
Notice Regarding Results and Completion of Acquisition of Treasury Shares
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2025/04/01
IR
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2025/03/21
Corporate
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2025/03/21
IR
Notice of Decision on Matters Concerning Purchase of Treasury Shares
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2025/03/13
IR
Notice Regarding Results and Completion of Acquisition of Treasury Shares
Global Locations
We introduce Yamaichi Electronics’ bases in Japan and the rest of the world, including Asia, Europe,
and the United States.
