Verified Nov 2026
Lighting
·
Diamond Bar, California
·
Since 1946
Mitsuba Corporation manufactures automotive electrical components and motor-driven systems, including wiper systems, power window motors, starter motors, and electric power steering motors. The company is headquartered in Diamond Bar, California, and was founded in 1946. It has an estimated 10,000 to 50,000 employees and an estimated annual revenue of $1 to 5 billion. Its products serve the automotive, electric-vehicle, electronics, plumbing-hardware, renewable-energy, and industrial-equipment industries. The company's most recent public development is the result of a July 2026 tender offer for Ryoyo Systems shares, as reported by Japan IR.
Mitsuba Corporation at a glance
Revenue
$1-5B
Est. band
Employees
10,000-50,000
Founded
1946
Headquarters
Diamond Bar, California
Certifications
IATF 16949 · ISO 14001 · ISO 9001
Import activity
11854
Industries
Automotive
Electric Vehicles
Electronics
Plumbing & Hardware
Renewable Energy
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
11854
Named foreign suppliers
50
Top origins
Taiwan · Japan · Vietnam · Singapore
Shared foreign counterparties do not establish that these companies buy from Mitsuba Corporation.
What this tells a buyer
Mitsuba's customs records show 11,854 shipments, with origins including Taiwan, Japan, Vietnam, Singapore, and the Philippines, among others.
The company holds IATF 16949, ISO 14001, and ISO 9001 certifications, and its product range includes sensors, brake, steering, LED, pump, actuator, stamping, forging, assembly, and mold offerings.
Mitsuba is privately held, reports an estimated revenue band of $1 to 5 billion, and is listed among the industries it serves as automotive, electric-vehicles, and industrial equipment.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
80 years in operation (founded 1946).
11,854 US import shipments on record.
Holds IATF 16949, ISO 14001, ISO 9001 certification(s) per public sources.
Overview
Mitsuba Corporation manufactures automotive electrical components and motor-driven systems, including wiper systems, power window motors, starter motors, and electric power steering motors. The company is headquartered in Diamond Bar, California, and was founded in 1946. It has an estimated 10,000 to 50,000 employees and an estimated annual revenue of $1 to 5 billion. Its products serve the automotive, electric-vehicle, electronics, plumbing-hardware, renewable-energy, and industrial-equipment industries. The company's most recent public development is the result of a July 2026 tender offer for Ryoyo Systems shares, as reported by Japan IR.
At a glance
Attribute | Detail |
|---|---|
Founded | 1946 |
Headquarters | Diamond Bar, California |
Employees | 10,000-50,000 |
Revenue | $1-5B (estimated) |
Primary capability | Lighting |
Certifications | IATF 16949 · ISO 14001 · ISO 9001 |
What Mitsuba Corporation makes
The company holds IATF 16949, ISO 14001, and ISO 9001 certifications, and its product range includes sensors, brake, steering, LED, pump, actuator, stamping, forging, assembly, and mold offerings.
Products and capabilities described on the company's own site include Sensor, Brake, Steering, LED, Pump, Actuator, Stamping, Forging, Assembly, Mold (source: mitsuba.co.jp).
Certifications
Mitsuba Corporation is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
IATF 16949 — mitsuba.co.jp
ISO 14001 — mitsuba.co.jp
ISO 9001 — mitsuba.co.jp
Trade and customs footprint
Mitsuba's customs records show 11,854 shipments, with origins including Taiwan, Japan, Vietnam, Singapore, and the Philippines, among others. US customs bill-of-lading records list 11854 inbound shipments across 50 foreign suppliers, with top origins including Taiwan · Japan · Vietnam · Singapore.
Latest developments
2026-07-09 — Mitsuba: Result of Tender Offer for Ryoyo Systems Shares | July 2026 | Japan IR (japanir.jp)
2026-05-14 — 【Unknown】Start of Tender Offer｜May 2026 | Japan IR (japanir.jp)
2026-05-11 — IRニュース ｜株式会社ミツバ (mitsuba.co.jp)
2025-11-12 — Mitsuba Corporation Announces Establishment of Overseas Subsidiary, Mitsuba India R&D Pvt. Ltd. in India | MarketScreener (marketscreener.com)
2025-11-07 — お知らせ ｜株式会社ミツバ (mitsuba.co.jp)
Company details
Mitsuba is privately held, reports an estimated revenue band of $1 to 5 billion, and is listed among the industries it serves as automotive, electric-vehicles, and industrial equipment. Mitsuba Corporation was founded in 1946, has an estimated 10,000-50,000 employees, and is headquartered in Diamond Bar, California. On the LightSource stability read it is rated "Established & active": 80 years in operation (founded 1946). 11,854 US import shipments on record. Holds IATF 16949, ISO 14001, ISO 9001 certification(s) per public sources.
Frequently asked questions
What does Mitsuba Corporation make?
Mitsuba Corporation manufactures automotive electrical components and motor-driven systems, including wiper systems, power window motors, starter motors, and electric power steering motors. The company is headquartered in Diamond Bar, California, and was founded in 1946. It has an estimated 10,000 to 50,000 employees and an estimated annual revenue of $1 to 5 billion. Its products serve the automotive, electric-vehicle, electronics, plumbing-hardware, renewable-energy, and industrial-equipment industries. The company's most recent public development is the result of a July 2026 tender offer for Ryoyo Systems shares, as reported by Japan IR.
Where is Mitsuba Corporation headquartered?
Mitsuba Corporation is headquartered in Diamond Bar, California.
When was Mitsuba Corporation founded?
Mitsuba Corporation was founded in 1946.
How big is Mitsuba Corporation?
Mitsuba Corporation has an estimated 10,000-50,000 employees, with revenue in the $1-5B range (estimated).
What certifications does Mitsuba Corporation hold?
Mitsuba Corporation lists IATF 16949 · ISO 14001 · ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does Mitsuba Corporation import from overseas suppliers?
US customs bill-of-lading records show 11854 inbound shipments for Mitsuba Corporation, with top origins including Taiwan · Japan · Vietnam · Singapore.
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Last verified Nov 2026. Is this your company? Request a correction.
Location & contact
Phone
'+81 277-52-0111
Certification
IATF 16949 · ISO 14001 · ISO 9001
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