Verified Nov 2026
Electronics & Software
·
Chiyoda, Tokyo
·
Since 1922
Yokowo Co., Ltd. is a Japanese manufacturer of high-frequency and precision micro-processing components, headquartered in Chiyoda, Tokyo. Founded in 1922, it is listed on the Tokyo Stock Exchange under ticker 6800 and reports an employee band of 5,000 to 10,000. Its products serve the automotive, electric-vehicle, electronics, appliance, medical, and plumbing-hardware industries. In June 2026 the company announced an investment to expand production capacity in its circuit testing connector segment, and it has also opened a new plant through its Indian joint venture, Lumax Yokowo Technologies.
Yokowo Co., Ltd. at a glance
Revenue
564.5M
Employees
5,000-10,000
Founded
1922
Headquarters
Chiyoda, Tokyo
Ownership
Publicly traded (JPX: 6800.T)
Certifications
IATF 16949 · ISO 13485 · ISO 9001
Industries
Automotive
Electric Vehicles
Electronics
Appliance
Medical
Plumbing & Hardware
STABILITY SIGNALS
Established & strong
104 years in operation (founded 1922).
Publicly listed; no distress event on record.
Holds IATF 16949, ISO 13485, ISO 9001 certification(s) per public sources.
Overview
Yokowo Co., Ltd. is a Japanese manufacturer of high-frequency and precision micro-processing components, headquartered in Chiyoda, Tokyo. Founded in 1922, it is listed on the Tokyo Stock Exchange under ticker 6800 and reports an employee band of 5,000 to 10,000. Its products serve the automotive, electric-vehicle, electronics, appliance, medical, and plumbing-hardware industries. In June 2026 the company announced an investment to expand production capacity in its circuit testing connector segment, and it has also opened a new plant through its Indian joint venture, Lumax Yokowo Technologies.
At a glance
Attribute | Detail |
|---|---|
Founded | 1922 |
Headquarters | Chiyoda, Tokyo |
Employees | 5,000-10,000 |
Revenue | 564.5M |
Ownership | Publicly traded (JPX: 6800.T) |
Primary capability | Electronics & Software |
Certifications | IATF 16949 · ISO 13485 · ISO 9001 |
What Yokowo Co., Ltd. makes
The company holds IATF 16949, ISO 13485, and ISO 9001 certifications and produces automotive antenna systems, semiconductor testing connectors, fine spring connectors, and medical guidewires and catheter components.
Products and capabilities described on the company's own site include Electronics, Transmission, Composite, Welding, Assembly, Coating (source: yokowo.co.jp).
Certifications
Yokowo Co., Ltd. is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
IATF 16949 — yokowo.co.jp
ISO 13485 — yokowo.co.jp
ISO 9001 — yokowo.co.jp
Latest developments
2026-10-16 — インド合弁会社「Lumax Yokowo Technologies」が新工場を開所 | 株式会社ヨコオのプレスリリース (prtimes.jp)
2026-06-22 — YOKOWO surges to new highs on capex plan to boost semiconductor inspection capacity - Kabutan (kabutan.com)
2026-06-19 — Yokowo Co., Ltd. Resolves to Invest to Expand Production Capacity in the CTC Segment | MarketScreener (marketscreener.com)
2026-04-16 — Yokowo Co., Ltd. Leverages Automotive Antenna Expertise to Enter Tracking and IoT Connectivity Market | YOKOWO CO., LTD. | APOC Wire (apocwire.com)
2025-10-27 — 精測與日本Yokowo相互股權投資 攜手開拓業務市場 | 產經 | 中央社 CNA (cna.com.tw)
2025-08-12 — Yokowo Co., Ltd. Enters into Basic Agreement on A Strategic Business Alliance with Winway Technology Co., Ltd | MarketScreener (marketscreener.com)
Company details
Yokowo is a publicly listed company on the Tokyo Stock Exchange with reported annual revenue of about 564.5 million and operates through four business segments. Yokowo Co., Ltd. was founded in 1922, has an estimated 5,000-10,000 employees, and is headquartered in Chiyoda, Tokyo. On the LightSource stability read it is rated "Established & strong": 104 years in operation (founded 1922). Publicly listed; no distress event on record. Holds IATF 16949, ISO 13485, ISO 9001 certification(s) per public sources.
Frequently asked questions
What does Yokowo Co., Ltd. make?
Yokowo Co., Ltd. is a Japanese manufacturer of high-frequency and precision micro-processing components, headquartered in Chiyoda, Tokyo. Founded in 1922, it is listed on the Tokyo Stock Exchange under ticker 6800 and reports an employee band of 5,000 to 10,000. Its products serve the automotive, electric-vehicle, electronics, appliance, medical, and plumbing-hardware industries. In June 2026 the company announced an investment to expand production capacity in its circuit testing connector segment, and it has also opened a new plant through its Indian joint venture, Lumax Yokowo Technologies.
Where is Yokowo Co., Ltd. headquartered?
Yokowo Co., Ltd. is headquartered in Chiyoda, Tokyo.
When was Yokowo Co., Ltd. founded?
Yokowo Co., Ltd. was founded in 1922.
How big is Yokowo Co., Ltd.?
Yokowo Co., Ltd. has an estimated 5,000-10,000 employees, with revenue in the 564.5M range.
Is Yokowo Co., Ltd. publicly traded?
Publicly traded (JPX: 6800.T). Public financial figures are drawn from its filings.
What certifications does Yokowo Co., Ltd. hold?
Yokowo Co., Ltd. lists IATF 16949 · ISO 13485 · ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
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