Patents & Intellectual Property
Technological competitiveness protected by patents and trademarks
To secure the uniqueness of smart control technologies, we systematically build intellectual property including patents, trademarks, and software copyrights.
Technology and Software Patents
| Patent Title | Key Content | Remarks |
| Redundant DC24V power supply circuit | Circuit design for stable power distribution in small DC distribution systems for hybrid propulsion vessels | Circuit / power distribution |
| Fire extinguishing device for ship batteries | Automatic fire extinguishing and safe shutdown after battery fire detection | Safety device |
| Navigation hazard area alert device | Automatic alert of hazardous zones based on navigation routes and sea area data | Data / alarm |
| Method and device for collecting ship data | Technology for collecting and storing key sensor data during vessel operation | Data processing |
| DC grid pre-charge circuit | Stable charge control during initial startup of DC power grids | Circuit / power distribution |
| Load profile control for hydrogen fuel cell-based hybrid propulsion vessels | Load profile analysis → automatic distribution between fuel cells and batteries with safety logic implementation |
Control algorithm |
| Fire and explosion prevention control system for hydrogen-propelled vessel ESS | Thermal runaway detection → power shutdown → fire suppression linkage → re-start verification | Safety control |
| Integrated UPS and PDP safety distribution panel | Uninterruptible power supply with multi-stage safety shutdown circuit design | Power stability |
| Modular withdrawable VFD panel/td> | Modular, withdrawable structure for compressor/pump VFDs to improve maintenance efficiency | Maintenance efficiency |
| Intelligent EOCR-based predictive protection system | EOCR + AI-based predictive maintenance and fault pre-detection | Predictive maintenance |
Trademarks
| Trademark | English Marking | Status | Notes |
| 동인엔시스 | DONGIN ENSIS | Registered | Official corporate trademark |
| 에너전트솔루션 | Energient Solution | Registered | Energy efficiency solution brand |
Intellectual Property Highlights
- Portfolio of 10 core control-related patents (covering ships, hydrogen, power, and AI-based predictive control)
- Established a protection structure that links R&D → Patent → Commercialization
- Completed legal protection of corporate and solution brands with two registered trademarks
- Secured four core technology pillars: hydrogen, power control, predictive algorithms, and safety systems

