Kowa Denzai-Sha Ltd.

  • Devices, components and parts related to electrical and electronic devices
  • Machine assembly, unit assembly

Starting with wire harness production 47 years ago, we have supported the electronics nation, Japan, from behind the scenes. Our products are mainly used in digital cameras, robot and medical equipment, etc. We have been engaged in quality-first processing of wire from thin and flexible wire crimping/IDC to the thick cables used in industrial machinery for the wire size from AWG32 to AWG0 with fully automatic machines and more than four hundred applicators.

IDC for fine pitch connectors for miniature machinery
IDC for fine pitch connectors for miniature machinery
Clamp ties for large machinery and equipment
Clamp ties for large machinery and equipment
Shipment check to ensure that all circuits are conductive
Shipment check to ensure that all circuits are conductive

Specialized Products, Technologies and Services

Making wireharness for Equipment of all fields

If its wire harnesses or cable production you need, we can handle even machinery internals, interfaces, and power supply systems. We are also able to handle everything from small quantities with a large variety to large lot items, as well as out-in and out-out prototyping in Japan and mass production overseas(Indonesia). Both our Japanese and overseas factories are UL wiring harness program certified. If you need electrical wire produced, we can handle everything from thin wire to thick cables. To date, we have delivered office machinery, production machinery, semiconductor production equipment, medical devices (including X-ray inspection systems), AV equipment, consumer electronics, amusement industry equipment, optical equipment, clocks, inspection equipment, broadcast equipment, home facilities, mechanical car park equipment, vending machines, and more. We are also currently engaged in equipping control panel interiors with harnesses. We are also able to ship cable kits for knock-down production.

Current Status of Overseas Business

On-site production Indonesia
Sales bases (incl. dealerships) Indonesia, Philippines, and Singapore
Export Indonesia, Philippines, Thailand, and Singapore
Import Indonesia and Singapore
Outsourcing production /processing
Technology partnerships
R&D bases

Key Business Partners

• Canon Inc.
• Fujitsu Limited
• Hitchi Industrial Equipment Systems Co.,Ltd.
• Seiko Epson Corporation
• Olympus Corporation
• Glory Global Solutions

Future Target Countries and Regions


Overseas Business Prospects

Company Information

Representative Mr. Tomokazu Taniguchi
Address 6-21-4 Nishikamata, Ota-ku, Tokyo 144-0051
URL https://kowagroup.securesite.jp/
Established in 1975
Capital 30 million yen
Employees 95
International Certification (e.g. ISO) UL wiring harness program


Name Mr. Koji Taniguchi
Position Director and General Manager
Tel +81-3-5711-7171
Fax +81-3-3736-5357