FY 2027 Q2 (Interim) Financial Results Summary [Japanese GAAP] (Consolidated)
FY 2027 Q2 (Interim) Financial Results Summary [Japanese GAAP] (Consolidated)
Yamaichi Electronics Co., Ltd.
山一電機株式会社YAMAICHI ELECTRONICS CO., LTD.AliasYamaichi Electronics Company, LTD.AliasYamaichi Electronics Company, LtdAliasYAMAICHI ELECTRONICS INC.AliasKOREAAliasYAMAICHI ELECTRONICS INC. (KOREA)Alias
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Basic information
- Head office
- 2-16-2 Minami-Kamata, Ota-ku, Tokyo 144-8581, Technoport Taiju Life Building
- Chief executive
- Junichi Kamegaya
- Capital
- 10,084,000,000 (100 100 million)
- Employees (non-consolidated)
- 398 people
- Employees (consolidated)
- 2,060 people
- Start date
- 1956-11-01
- End date
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Websites
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Business
Test solution businessConnector solution businessOptical-related businessImplementation IC socketFlexible printed circuit board (YFLEX®)Optical thin-film filterSemiconductor laser light sourceOptical filter module productsBurn-in socket for inspectionTest socket for inspectionProbe cardTest serviceConnectorYFLEX® (flexible printed circuit board)
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Related companies
Names without a link are companies not yet registered in OpenBizGraph
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Network
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History
Start of manufacturing and sales of ZIF printed circuit board connectors for Parametron electronic computers
Vacuum tube socket (product name: NDS-XC-7001) launched
Certified as a standard product of the Defense Agency
IC sockets of the time (IC51 and others) released
Electronic tube socket certified by the Defense Agency under JAN-S-28A
Established Yamaichi Electronics U.S.A. Inc. in the United States
Established a large-scale production technology center in Oosaku, Sakura City, Chiba Prefecture
Opened Sakura facility
Technology development division
Established Asia Mountain One Electric Industrial Co., Ltd. [Korea]
Our QFP socket (US JEDEC specification) is
adopted by major semiconductor manufacturers and major telecommunications companies
Equipment IC socket has established its reputation in the US market
Registered with the Japan Securities Association and listed its shares on the over-the-counter market
Yamaichi Electronics Singapore Pte. Ltd. [Singapore]
Established
Renamed to Yamaichi Electric Co., Ltd.
Acquired bump build-up and printed circuit board technology (YFLEX®)
Yamaichi Electronics (Hong Kong) Limited
Established Yamaichi Electronics (Shenzhen) Co., Ltd. [China]
Pricon Microelectronics, Inc.
Acquired management rights in the Philippines
Obtained International Quality Assurance Standard (ISO 9001)
Established Taiwan Yamaichi Electronics Co., Ltd. [Taiwan]
Obtained International Environmental Management System Standard (ISO 14001)
Acquired all shares of Test Solution Services, Inc. [Philippines]
Establishment in China
Transfer of EMS business of Pricon Microelectronics Inc. in the Philippines
Relocation of headquarters to Minami-Kamata, Ota-ku, Tokyo
Obtained ISO/TS16949 international certification
Opening of Yamaichi Electronics Singapore Pte. Ltd. Taiwan office in Taiwan
Acquisition of second factory of Pricon Microelectronics Inc. in the Philippines
Commencement of liquidation of Yamaichi Electronics (Shenzhen) Co., Ltd. in China
Relocation of new factory of Test Solution Services, Inc. in the Philippines
Pricon Microelectronics Inc. in the Philippines
Completion of cleaning of connector production line
Yamaichi Electronics Deutschland GmbH in Germany
Relocation of subsidiary Tunisia Design Center in Tunisia
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News
FY 2027 Q2 (Interim) Financial Results Summary [Japanese GAAP] (Consolidated)
Notice of Revision to the 2027 Fiscal Year Full-Year Consolidated Earnings Forecast and Dividend Forecast (Implementation of the 70th Anniversary Dividend)
Notice of Revision to the 2027 Fiscal Year Full-Year Consolidated Earnings Forecast and Dividend Forecast (Implementation of the 70th Anniversary Dividend)
Notice Regarding Dividend of Surplus Funds (Interim Dividend)
Notice Regarding Dividend of Surplus Funds (Interim Dividend)
2027 Q3 Interim Financial Results Presentation
2027 Q3 Interim Financial Results Presentation
Notice Regarding the Publication of the Integrated Report 2026
Notice Regarding the Publication of the Integrated Report 2026
Impact of PHP Vulnerabilities on the Website
Regarding the critical PHP vulnerabilities (CVE-2026-109618, CVE-2026-109619) disclosed on October 21, 2026, we have verified the configuration and operation of our website and confirmed that there is no impact. Our website is operating normally, and we will continue to strengthen our security measures.
No Typhoon No. 25 Impact Confirmed at Sakura Site
On September 21, as Typhoon No. 25 approached the Kanto region, the company expressed sympathy to those affected. At its Sakura site, it checked on employees, buildings, and production equipment and has so far confirmed no injuries or equipment damage and no impact on production. Because roads are flooded or closed, employee safety is the top priority and remote work is being used. Business will continue while the situation is monitored, with safety remaining paramount.
Notice Regarding Partial Transfer of Shares in Consolidated Subsidiary
Yamaichi Electronics Co., Ltd. announced a partial transfer of shares in a consolidated subsidiary.
Notice of Construction of Fourth Factory in the Philippines
Yamaichi Electronics Co., Ltd. announced plans to construct its fourth factory in the Philippines. Further details have not been disclosed.
Yamaichi Electronics to Showcase 224G-per-Channel High-Speed Connectors at ECOC 2026
Yamaichi Electronics Deutschland, part of the Yamaichi Electronics Group, will exhibit at ECOC 2026 in Spain, showcasing connectors that support PAM4 224G-per-channel transmission. The company will also introduce internal connectivity solutions for next-generation high-speed communications and data centers.
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Public records
National Tax Agency basic information4010801012065
Source: National Tax Agency Corporate Number Publication Site, basic three items
- Trade name
- 山一電機株式会社
- Trade name (kana)
- ヤマイチデンキ
- Name in English
- Corporation type
- 301
- Address
- 〒144-0035 東京都大田区南蒲田２丁目１６番２号
- Postal code
- 1440035
- Prefecture code
- 13
- City code
- 111
- Address outside Japan
- Prefecture in English
- City in English
- Address outside Japan in English
- Corporate number assignment date
- 2015-10-05
- Update date
- 2018-04-24
- Change date
- 2015-10-05
- Registry closure date
- Reason for registry closure
- Successor corporate number
- Details of the change
- Latest record
- 1
- Excluded from search
- 0
- Processing type
- 01
- Correction type
- 1
- Trade name image ID
- Address image ID
- Sequence number
- 1776170
METI gBizINFO4010801012065
Source: gBizINFO (Ministry of Economy, Trade and Industry)
- Corporate number
- 4010801012065
- Trade name
- 山一電機株式会社
- Trade name (kana)
- ヤマイチデンキ
- Trade name (alphabet)
- Registry closure date
- Reason for registry closure
- Registered address
- 東京都大田区南蒲田２丁目１６番２号
- Postal code
- 1440035
- Prefecture
- 東京都
- Prefecture code
- 13
- City or district
- 大田区
- City code
- 111
- Street address
- 南蒲田２丁目１６番２号
- Organisation type
- 301
- Processing type
- 01
- Correction type
- 1
- Status
- Representative
- 代表取締役社長 亀谷 淳一
- Capital
- 10084103000
- Employees
- 434
- Employees (male)
- 348
- Employees (female)
- 78
- Business summary
- 電子部品製造販売
- Website URL
- http://www.yamaichi.co.jp/
- Year founded
- Business category
- E:製造業
- Date established
- Unified government qualification - grade
- Unified government qualification - business items
- Update date
- 2018-04-24
- Key information
- 4010801012065
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Sources & updates
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UPDATED2026-11-08 09:22 · Model: GPT-6 Luna