DHF Technology
DHF boasts a wealth of core technologies.
- Applied Electromagnetic Technology to explore the future of heating technology,
- advanced plastic processing technology for steel pipe bending process and steel bar processing,
- surface modification technology and anti-rust corrosion-resistant technology required for resin lining, spraying, heat treatment, etc.,
- new material technology (metals, ceramics, polymers) extensively used in numerous advanced fields,
- and the equipment design technology dedicated to the design and manufacture of equipment to support these technologies.
With years of technology development and new technology developed for use in a wide range of fields around the world, DHF is able to provide products that have reliability and durability unrivaled in the industry.
A case of core technology
 High-frequency quenching using surface modification technology |
 Steel pipe bending using plastic processing technology |
Intellectual property application and registration status (As of August, 2011)
| Application | Registration | Total | |||||
|---|---|---|---|---|---|---|---|
| Japan | Overseas | Subtotal | Japan | Overseas | Subtotal | ||
| Patent | 57 | 23 | 80 | 150 | 37 | 187 | 267 |
| Utility model | 0 | 0 | 0 | 3 | 0 | 3 | 3 |
| Trademark | 0 | 21 | 21 | 44 | 0 | 44 | 65 |