Verified Nov 2026
Electronics & Software
·
Tokyo, Tokyo
·
Since 1948
Hirakawa Hewtech Corp. manufactures electric wires, cables, assemblies, electronic equipment, and medical products. It is headquartered in Tokyo, Japan, was founded in 1948, and employs between 1,000 and 5,000 people. The company is publicly listed under ticker 5821.T and serves the automotive, electric-vehicle, electronics, appliance, medical, and plumbing-hardware industries. In November 2026 it announced a simplified share exchange to make Yoshinogawa Densen a wholly owned subsidiary.
Hirakawa Hewtech Corp. at a glance
Revenue
240.8M
Employees
1,000-5,000
Founded
1948
Headquarters
Tokyo, Tokyo
Ownership
Publicly traded (JPX: 5821.T)
Certifications
IATF 16949 · ISO 13485 · ISO 14001 · ISO 9001
Industries
Automotive
Electric Vehicles
Electronics
Appliance
Medical
Plumbing & Hardware
STABILITY SIGNALS
Established & strong
78 years in operation (founded 1948).
Publicly listed; no distress event on record.
Holds IATF 16949, ISO 13485, ISO 14001, ISO 9001 certification(s) per public sources.
Overview
Hirakawa Hewtech Corp. manufactures electric wires, cables, assemblies, electronic equipment, and medical products. It is headquartered in Tokyo, Japan, was founded in 1948, and employs between 1,000 and 5,000 people. The company is publicly listed under ticker 5821.T and serves the automotive, electric-vehicle, electronics, appliance, medical, and plumbing-hardware industries. In November 2026 it announced a simplified share exchange to make Yoshinogawa Densen a wholly owned subsidiary.
At a glance
Attribute | Detail |
|---|---|
Founded | 1948 |
Headquarters | Tokyo, Tokyo |
Employees | 1,000-5,000 |
Revenue | 240.8M |
Ownership | Publicly traded (JPX: 5821.T) |
Primary capability | Electronics & Software |
Certifications | IATF 16949 · ISO 13485 · ISO 14001 · ISO 9001 |
What Hirakawa Hewtech Corp. makes
The company is certified to IATF 16949, ISO 13485, ISO 14001, and ISO 9001, and its product range includes assemblies, transmission cables, and extrusion-based wire products.
Products and capabilities described on the company's own site include Assembly, Transmission, Electronics, Semiconductor, Extrusion (source: hewtech.co.jp).
Certifications
Hirakawa Hewtech Corp. is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
IATF 16949 — dqsglobal.com
ISO 13485 — hewtech.co.jp
ISO 14001 — dqsglobal.com
ISO 9001 — dqsglobal.com
Latest developments
2026-11-04 — Hirakawa Hewtech Corp. - Simplified Share Exchange to Make Yoshinogawa Densen a Wholly Owned Subsidiary | November 2026 | Japan IR (japanir.jp)
2026-11-04 — Hirakawa Hewtech H1 sales up 41.2%, to fully acquire Yoshinogawa Densen via share swap | Hirakawa Hewtech Corp. (5821.T) | Kabuto (bin.ooo)
2026-11-04 — HIRAKAWA HEWTECH, First Half Ordinary Profit Increases by 48%, Jul-Sep Ordinary Profit Increases by 13% - Kabutan (kabutan.com)
2026-08-03 — HIRAKAWA HEWTECH surges for second straight session after raising earnings and dividend forecasts for FY3/2027 - Kabutan (kabutan.com)
2026-05-29 — Publication of Corporate and Shareholder Value Enhancement Proposals for Hirakawa Hewtech Corp., and Announcement of Opposition to the Reappointment of Chairman Kazuo Sumita – Axium Capital (axium-capital.com)
2026-03-02 — 【記事紹介】新潟テレビ21様／STL光多重CWDM伝送装置 導入事例ご紹介 - 平河ヒューテック株式会社 (hewtech.co.jp)
Facilities
Hirakawa Hewtech Corp. is headquartered in Tokyo, Tokyo. Public sources also reference these locations:
Singapore — axium-capital.com
China — hewtech.co.jp
Company details
The company operates in Japan and has facilities in Singapore and China, and it is subject to public shareholder value proposals from Axium Capital in 2026. Hirakawa Hewtech Corp. was founded in 1948, has an estimated 1,000-5,000 employees, and is headquartered in Tokyo, Tokyo. On the LightSource stability read it is rated "Established & strong": 78 years in operation (founded 1948). Publicly listed; no distress event on record. Holds IATF 16949, ISO 13485, ISO 14001, ISO 9001 certification(s) per public sources.
Frequently asked questions
What does Hirakawa Hewtech Corp. make?
Hirakawa Hewtech Corp. manufactures electric wires, cables, assemblies, electronic equipment, and medical products. It is headquartered in Tokyo, Japan, was founded in 1948, and employs between 1,000 and 5,000 people. The company is publicly listed under ticker 5821.T and serves the automotive, electric-vehicle, electronics, appliance, medical, and plumbing-hardware industries. In November 2026 it announced a simplified share exchange to make Yoshinogawa Densen a wholly owned subsidiary.
Where is Hirakawa Hewtech Corp. headquartered?
Hirakawa Hewtech Corp. is headquartered in Tokyo, Tokyo.
When was Hirakawa Hewtech Corp. founded?
Hirakawa Hewtech Corp. was founded in 1948.
How big is Hirakawa Hewtech Corp.?
Hirakawa Hewtech Corp. has an estimated 1,000-5,000 employees, with revenue in the 240.8M range.
Is Hirakawa Hewtech Corp. publicly traded?
Publicly traded (JPX: 5821.T). Public financial figures are drawn from its filings.
What certifications does Hirakawa Hewtech Corp. hold?
Hirakawa Hewtech Corp. lists IATF 16949 · ISO 13485 · ISO 14001 · 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.
Location & contact
Phone
+81 3-3457-1400
Certification
IATF 16949 · ISO 13485 · ISO 14001 · ISO 9001
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