| No. | Patent/Program Name | Application, registration number | Note |
|---|---|---|---|
| 1 | Precise digital measurement system for vehicle fuel remaining and Precise digital measurement method for vehicle fuel remaining | No. 10-1514442 | Patent registration |
| 2 | Engine starting system for construction machinery | No. 10-1643340 | Patent registration |
| 3 | Internal combustion engine due to rapid changes in load How to prevent cutoff in a generator | No. 10-2163131 | Patent registration |
| 4 | Water-cooled load bank control unit for generator testing | 10-2018-0124095 | Patent |
| 5 | Low-noise diesel generator using heat exchanger | No. 30-1105240 | Patent registration |
| 6 | Vehicle fuel conversion switch | No. 30-1105240 | Design registration |
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