DAIHEN (OTC DAIHEN) Company Profile: History, Businesses, Financials and Stock
Updated: 7 days ago
DAIHEN is a Japanese electrical equipment maker whose three pillars are transformers, welding machines and industrial robots. It was founded in Osaka in 1919 and reported net sales of JPY 237.7 billion for the fiscal year that ended in March 2026. This profile sets out its history, businesses, results and listing.
DAIHEN at a Glance
Fact | Detail |
Company | DAIHEN Corporation |
Founded | 1919, in Osaka |
Group | 55 consolidated subsidiaries and 8 affiliates |
Net sales | JPY 237.7 billion in the fiscal year ended March 2026 |
Net income | JPY 14.1 billion, up 18.0% |
Operating margin | 7.9% |
Stock listing | Tokyo Stock Exchange Prime Market: 6622 |
History
DAIHEN was founded in Osaka in 1919. Its revenue has grown for five consecutive years, from JPY 160.6 billion in fiscal 2022. In January 2024 it acquired Lorch Schweisstechnik, a German maker of welding equipment, and in the latest year its Mexican company was added to the consolidated group.
Businesses
Segment | Share of sales | Products | Operating margin |
Energy Management | 53.9% | Transformers, power receiving equipment, battery storage and EV charging | 11.0% |
Material Processing | 32.1% | Welding machines, plasma power supplies and high-frequency power supplies for semiconductor manufacturing | 9.7% |
Factory Automation | 13.8%, JPY 32.9 billion | Industrial robots and clean transfer robots | 6.0% |
Robots are the smallest and least profitable of the three segments, and are closely tied to the welding business: DAIHEN's arc welding robots are sold together with its welding power sources.
Financial Performance
Item | Fiscal year ended March 2026 |
Net sales | JPY 237.7 billion |
Operating margin | 7.9% |
Net income | JPY 14.1 billion, up 18.0% |
The operating margin peaked at 8.9% in fiscal 2023, fell to 7.1% in fiscal 2025 and recovered in the latest year.
Stock Information
Item | Detail |
Listing | Tokyo Stock Exchange Prime Market: 6622 |
Check a current market data source for the share price and market value.
Note: this section is general information, not investment advice.
Strengths and Challenges
Strengths
A power equipment business that provides more than half of sales and the best margins.
Welding power sources and robots sold as one system.
Five years of revenue growth.
Challenges
Lower margins in factory automation.
Robot demand tied to automotive and general manufacturing investment.
Current Catalogue Coverage
Catalogue checked on 15 October 2026: 2 associated product records. The links below are representative entries, rather than a claim that every historical model is currently available.
DAIHEN FAQ
Is DAIHEN publicly traded?
Yes, on the Tokyo Stock Exchange Prime Market under the code 6622.
When was DAIHEN founded?
In 1919, in Osaka.
What does DAIHEN make?
Transformers and power equipment, welding machines, and industrial and clean transfer robots.
How big is DAIHEN's robot business?
Factory automation accounted for 13.8% of sales, or JPY 32.9 billion, in the fiscal year that ended in March 2026.
What companies has DAIHEN acquired recently?
The German welding equipment maker Lorch Schweisstechnik, in January 2024.
Sources
Envalith: DAIHEN overview
