- CEO
- Masahiko Haruyama
- Full Time Employees
- 637
- Sector
- Producer manufacturing
- Industry
- Industrial machinery
- Address
- 36 Shin-ike,Terada Joyo KY Japan 610-0192
- IPO Date
- Dec 1, 1989
- Business
- Seiwa Electric Mfg. Co., Ltd. (6748.T) manufactures and sells information display systems, industrial lighting equipment, road and tunnel lighting equipment, electromagnetic compatibility (EMC) products, LED modules for lighting, and wire protection devices primarily in Japan. The company operates through Information Equipment, Lighting Equipment, Component, and Others segments, offering products such as LED information displays for roadways, parking, and waterways; emergency systems for tunnels; monitoring boards for industrial plants; traffic control systems; explosion-proof lighting for chemical plants and refineries; air- and watertight fixtures; tunnel and highway illumination; street and landscape lighting; e-Duct polyvinyl chloride-free cable housing; gaskets, ferrite cores, conductive tapes, shield tubes, grounding clamps, electromagnetic wave control sheets, conductive silicone rubbers, metal foil tapes, thermal conductive sheets, and magnetic field probes. Founded in 1945 and headquartered in Joyo, Japan, Seiwa serves industrial, infrastructure, and urban markets with mechatronics products and information services; it recently completed an equity buyback of 142,000 shares, or 1.09% of its capital, for ¥74.83 million announced on February 12, 2025, and pursues its Medium-Term Management Strategy for 2024-2026 focused on monodzukuri, market creation, and technology enhancements.