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Shōkō Electric Manufacturing Co., Ltd.

株式会社正興電機製作所
Ticker
Listed market
TYO
Country
Japan
Employees (consolidated)
971
Related companies
23
§01

Basic information

BASIC
Head office
2-7-25 Higashikō, Hakata-ku, Fukuoka City, 812-0008
Chief executive
Hidetoshi Soeda
Capital
3,323,042,643  (33 100 million)
Employees (non-consolidated)
630 people
Employees (consolidated)
971 people
Start date
1930-07-24
End date
§02

Websites

1 DOMAINS
§03

Business

11
Electricity DivisionService DivisionRoboticsPublic SectorIndustrial DivisionPower Electronics DivisionInformation DivisionElectronic Control Equipment DivisionDimming Film SILFAI Camera, MR/ARAI Camera, MR/AR
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Related companies

23 COMPANIES
Company name Group Parent Subsidiary Customer Supplier Alliance Bank Shareholder
Hobara Manufacturing Co., Ltd.
Group
Nishi - Nippon Railroad Co., Ltd.
Group
ULVAC Inc.
Group
Kyushu Lease Service Co., Ltd.
Group
DLC & GB Consulting Inc.
Group
Forest Holdings Co., Ltd.
Group
Cascay Tritec Corporation
Group Subsidiary
Seikou Electric Construction Co., Ltd.
Group
オプトロニクスカンパニー
Group Subsidiary
Beijing Zhengxing United Electric Co., Ltd.
Group
Dalian Zhengxing Electric Control Co., Ltd.
Group
Seiko Service & Engineering Co., Ltd.
Group Subsidiary
正興ITソリューションフィリピン, INC. SEIKO IT SOLUTIONS PHILIPPINES INC.
Group
Seiko IT Solutions Co., Ltd.
Group Subsidiary
正興エレクトリックアジア(マレーシア)SDN. BHD. SEIKO ELECTRIC ASIA(M) SDN. BHD.
Group
BNP PARIBAS LUXEMBOURG
Shareholder
Mizuho Trust & Banking Co., Ltd.
Shareholder
Kraftia Co., Ltd.
Shareholder
Sumitomo Mitsui Trust Bank, Limited
Bank
Ueda Hachiyagi Short-term Securities Co., Ltd.
Shareholder
Japan Custody Bank
Shareholder
Fukuoka Bank
Shareholder
West Japan City Bank
Shareholder
Names without a link are companies not yet registered in OpenBizGraph
§05

Network

NETWORK
Drag to move · click to open
§06

History

74 EVENTS

Sources

Founding of Zhengxing Trading CompanySources

We introduce the company history since its founding in 1921 (Taisho 10)Sources

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Factory Opening (Start of Manufacturing of Switchgear)Sources

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Organizational change to a corporationSources

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New factory established at 284 Nishikensaku, Fukuoka City (current headquarters location)Sources

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Name changed to Shōkō Electric Manufacturing Co., Ltd.: New factory established at 1295, Koga Town, Sōya District, Fukuoka Prefecture (now Koga City): Shōkō Trading Co., Ltd., Shōkō Electric Construction Co., Ltd. establishedSources

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Signed a technical assistance agreement with Hitachi Ltd. for the manufacturing and sale of distribution boards and equipmentSources

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Sent personnel to Hitachi Ltd.'s Omioka factory to acquire control computer technologySources

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Signed a technical assistance agreement with Hitachi Ltd. for substation centralized control computersSources

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Headquarters building completed at 2-7-25 Higashikō, Hakata-ku, Fukuoka CitySources

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Sent personnel to Hitachi Ltd.'s software factory for information systems business expansionSources

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Commenced information systems businessSources

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Established Shōkō Electric Asia (Malaysia)Sources

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Listed on the Fukuoka Stock Exchange (capital 2.32 billion yen)Sources

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Obtained approval from the Minister of ConstructionSources

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Establishment of Dalian Zhengxing Kaikan Co., Ltd.Sources

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Koga Branch Obtains ISO 9001 CertificationSources

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Information Business Headquarters Obtains ISO 9001 Certification: Headquarters and Koga Branch Obtain ISO 14001 CertificationSources

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Capital participation in Asia Solution Philippines, Inc.Sources

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Establishment of Beijing Office, ChinaSources

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Established Shōkō C&E Co., Ltd.: Changed the name of Dalian Shōkō Kaikan Co., Ltd. to Dalian Shōkō Electric Control Co., Ltd.Sources

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Established Shōkō IT Solution Co., Ltd.: Established Tokyo branchSources

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Change of the trade name of Asia Solution Philippines, INC. to Zhengxing IT Solution Philippines, INC.: Establishment of Beijing Zhengxing Joint Electric Co., Ltd.Sources

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Obtained ISO/IEC 27001 Certification: Completion of Dalian Zhengxing New FactorySources

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Change of the trade name of Zhengxing Chamber of Commerce, Ltd. to Zhengxing Services & Engineering, Ltd.: Construction of L Site and R Site at the Koga facilitySources

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Establishment of Singapore Representative Office (now Singapore Branch)Sources

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Zhengxing Electric Construction, Ltd. becomes a subsidiarySources

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TriTech, Ltd. becomes a subsidiary: Establishment of Singapore Branch: Listing of shares on the Second Section of the Tokyo Stock ExchangeSources

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Designation as a First Section stock of the Tokyo Stock ExchangeSources

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Absorption merger of Zhengxing C&E, Ltd.Sources

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100th anniversary of founding: Construction of E Site (Engineering Building) at the Koga facilitySources

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Establishment of Vietnam Representative OfficeSources

§07

News

548 ARTICLES

Open Company 2026/12 at Hakata Headquarters!Sources

Shokou Electric Manufacturing Co., Ltd. will hold an Open Company event at its Hakata headquarters in December 2026. The event will include information sessions for new graduates and mid-career hires, a company tour, and a discussion with employees. Eligibility is limited to university students, graduate students, and junior college students. Details can be found on Mynavi 2028.

Shohō Electric Open Company 2026/12 Recruitment InformationSources

Shohō Electric Manufacturing Co., Ltd. is holding an Open Company event in December 2026, accepting applications for recruitment information and company briefing sessions. The event will be conducted online and is scheduled for university students, graduate students, and junior college students, featuring company presentations and discussion sessions with HR. Applications are accepted through Mynavi 2028, with first-come, first-served admission and no selection process.

Seikou Electric Co., Ltd. Launches Electronic Shade for Nissan ElgrandSources

Seikou Electric Co., Ltd. has released an after-market electronic shade film for the new Nissan Elgrand (E53). The film can instantly switch between clear and smoke modes with a simple ON/OFF switch, creating a private space inside the vehicle. It can be installed on both new and already-delivered cars, and can be operated from both the driver’s seat and the rear seats.

Fukuoka University Joint Industry Research MeetingSources

The Joint Industry Research Meeting will be held on Saturday, November 7, 2026, at the Fukuoka University Second Memorial Hall. Please contact the university career center to apply for participation.

Q3 Earnings Summary for Fiscal Year Ending December 2026Sources

Q3 Earnings Summary for Fiscal Year Ending December 2026

Seiko Electric to Announce FY2026 Third-Quarter Results on October 30Sources

Seiko Electric Manufacturing Co., Ltd. plans to announce its third-quarter financial results for the fiscal year ending December 2026 on October 30, 2026. To prevent leaks and ensure fairness, the company observes a quiet period from two weeks before the fiscal quarter-end through the announcement date.

123rd Fiscal Period Interim Report PublishedSources

Seiko Electric Co., Ltd. published its interim report for the 123rd fiscal period on August 21, 2026. It summarizes the company’s status and business performance. See the official website for details.

Seiko Electric Holds 2026 Family DaySources

Seiko Electric Co., Ltd. held Seiko Family Day 2026 on August 7. Children toured the workplace and took part in hands-on manufacturing activities to learn about work and the enjoyment of making things. Parent-child activities and commemorative photos helped strengthen bonds between employees and their families.

Seiko Electric Publishes FY2026 Second-Quarter Results PresentationSources

Seiko Electric Co., Ltd.’s presentation on its second-quarter results for the fiscal year ending December 2026 was featured on the web media outlet Logmi Finance. Orders received, sales, and profits at each stage for the half year reached record highs, and the company announced an annual dividend increase of ¥10.

Seiko Electric Manufacturing Co., Ltd. December 2026 Semi-Annual Report ReleasedSources

Seiko Electric Manufacturing Co., Ltd. has published its semi-annual report for December 2026. Detailed financial information and performance data are included in the report.

§08

Public records

GOV
National Tax Agency basic information6290001014089
Source: National Tax Agency Corporate Number Publication Site, basic three itemsSources
Trade name
株式会社正興電機製作所
Trade name (kana)
セイコウデンキセイサクショ
Name in English
Corporation type
301
Address
〒812-0008 福岡県福岡市博多区東光2丁目7番25号
Postal code
8120008
Prefecture code
40
City code
132
Address outside Japan
Prefecture in English
City in English
Address outside Japan in English
Corporate number assignment date
2015-10-05
Update date
2020-03-04
Change date
2020-03-02
Registry closure date
Reason for registry closure
Successor corporate number
Details of the change
令和2年3月1日福岡市博多区東光二丁目7番25号株式会社正興C&E(5290001022828)を合併
Latest record
1
Excluded from search
0
Processing type
71
Correction type
0
Trade name image ID
Address image ID
Sequence number
5279529
METI gBizINFO6290001014089
Source: gBizINFO (Ministry of Economy, Trade and Industry)Sources
Corporate number
6290001014089
Trade name
株式会社正興電機製作所
Trade name (kana)
セイコウデンキセイサクショ
Trade name (alphabet)
Registry closure date
Reason for registry closure
Registered address
福岡県福岡市博多区東光2丁目7番25号
Postal code
8120008
Prefecture
福岡県
Prefecture code
40
City or district
福岡市博多区
City code
132
Street address
東光2丁目7番25号
Organisation type
301
Processing type
71
Correction type
0
Status
Representative
代表取締役社長  添田 英俊
Capital
3323000000
Employees
623
Employees (male)
540
Employees (female)
85
Business summary
電気機械器具製造販売
Website URL
https://www.seiko-denki.co.jp/
Year founded
Business category
E:製造業
Date established
1930-07-24
Unified government qualification - grade
B|B||
Unified government qualification - business items
115|116|117|118|121|215|216|217|218|221
Update date
2020-03-04
Key information
6290001014089
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Sources & updates

SOURCES
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