Verified Nov 2026
Electronics & Software
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Matsudo, Chiba
·
Since
Seikoh Giken Co., Ltd. is a publicly listed manufacturer headquartered in Matsudo, Chiba, Japan, with its ticker listed as 6834.T. The company was founded in 1972 and has between 1,000 and 5,000 employees. It produces precision machinery, including molds and molded automotive and electronics parts, and optical products such as optical connectors and polishing machines. Its work serves the automotive, electric vehicle, electronics, medical, and industrial equipment sectors, and it recently reported earnings and dividend revisions tied to AIDC-related demand.
Seikoh Giken Co., Ltd. at a glance
Revenue
188.5M
Employees
1,000-5,000
Headquarters
Matsudo, Chiba
Ownership
Publicly traded (JPX: 6834.T)
Certifications
ISO 9001
Industries
Automotive
Electric Vehicles
Electronics
Medical
Industrial Equipment
Overview
Seikoh Giken Co., Ltd. is a publicly listed manufacturer headquartered in Matsudo, Chiba, Japan, with its ticker listed as 6834.T. The company was founded in 1972 and has between 1,000 and 5,000 employees. It produces precision machinery, including molds and molded automotive and electronics parts, and optical products such as optical connectors and polishing machines. Its work serves the automotive, electric vehicle, electronics, medical, and industrial equipment sectors, and it recently reported earnings and dividend revisions tied to AIDC-related demand.
At a glance
Attribute | Detail |
|---|---|
Headquarters | Matsudo, Chiba |
Employees | 1,000-5,000 |
Revenue | 188.5M |
Ownership | Publicly traded (JPX: 6834.T) |
Primary capability | Electronics & Software |
Certifications | ISO 9001 |
What Seikoh Giken Co., Ltd. makes
The company holds ISO 9001 certification and produces injection-molded parts, molds, connectors, and LED-related products.
Products and capabilities described on the company's own site include Mold, Coating, Electronics, Machining, Injection Molding, Connector, Lighting, LED, Assembly (source: seikoh-giken.co.jp).
Certifications
Seikoh Giken Co., Ltd. is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 9001 — seikoh-giken.co.jp
Latest developments
2026-11-02 — 2025 fiscal year | NEWS | SEIKOH GIKEN (seikoh-giken.co.jp)
2026-08-12 — SEIKOH GIKEN surges on unexecuted bids as AIDC demand drives sharp earnings and dividend upgrade - Kabutan (kabutan.com)
2026-08-10 — 【SEIKOH GIKEN Co., Ltd.】Decision to revise earnings and increase dividend｜FY2027 Interim | Japan IR (japanir.jp)
2026-06-30 — SEIKOH GIKEN (6834) Q4 2026 Summary | Quartr (quartr.com)
2026-05-26 — 2025年度ニュース｜株式会社 精工技研 (seikoh-giken.co.jp)
2026-04-30 — SEIKOH GIKEN Launches New Fiber Optic Cable Plant at WHA SIL Saraburi Bolstering Thailand’s Digital Infrastructure and Supply Chain | WHA Corporation PCL. (WHA) (wha-group.com)
Company details
The company is listed on a Japanese exchange and serves automotive, electronics, medical, and industrial equipment customers. Seikoh Giken Co., Ltd. has an estimated 1,000-5,000 employees, and is headquartered in Matsudo, Chiba.
Frequently asked questions
What does Seikoh Giken Co., Ltd. make?
Seikoh Giken Co., Ltd. is a publicly listed manufacturer headquartered in Matsudo, Chiba, Japan, with its ticker listed as 6834.T. The company was founded in 1972 and has between 1,000 and 5,000 employees. It produces precision machinery, including molds and molded automotive and electronics parts, and optical products such as optical connectors and polishing machines. Its work serves the automotive, electric vehicle, electronics, medical, and industrial equipment sectors, and it recently reported earnings and dividend revisions tied to AIDC-related demand.
Where is Seikoh Giken Co., Ltd. headquartered?
Seikoh Giken Co., Ltd. is headquartered in Matsudo, Chiba.
How big is Seikoh Giken Co., Ltd.?
Seikoh Giken Co., Ltd. has an estimated 1,000-5,000 employees, with revenue in the 188.5M range.
Is Seikoh Giken Co., Ltd. publicly traded?
Publicly traded (JPX: 6834.T). Public financial figures are drawn from its filings.
What certifications does Seikoh Giken Co., Ltd. hold?
Seikoh Giken Co., Ltd. lists ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
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Last verified Nov 2026. Is this your company? Request a correction.
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