| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 11 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Thermal processes | |
| #3 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Dynamo-electric machines | |
| #2 | Refrigerators | |
| #3 | Heat-exchange device details | |
| #4 | Hot gas positive-displacement engine plants |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ju Myung Ja | 11 |
| Publication | Filing date | Title |
|---|---|---|
| KR20040087729A | Machinery drive structure | |
| KR20040063064A | Linear motor | |
| KR20040048277A | Stirling cycle heat machinery | |
| KR20040033763A | Linear motor | |
| KR20040033764A | Stirling machinery regenerator | |
| KR20020090623A | Stirling machinery | |
| KR20020090622A | Stirling machinery | |
| KR20020071513A | Linear motor | |
| KR20020069588A | Linear motor | |
| KR20020066603A | Linear motor | |
| KR20020066604A | Linear motor |