| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 9 | |
| #2 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Electrical machinery and energy | |
| #3 | Mechanical elements | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Dynamo-electric machines | |
| #2 | Non-positive-displacement pumps | |
| #3 | Unspecified technologies | |
| #4 | Special non-positive-displacement engines | |
| #5 | Venting or aerating devices | |
| #6 | Springs | |
| #7 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kim Cheon Kyung | 10 |
| #2 | Kim Chunkyung | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2014050575A1 | Centrifugal compressor | |
| KR101004701B1 | Centrifugal compressor | |
| KR101004700B1 | Centrifugal compressor | |
| KR100902118B1 | Motor for high-speed ratiotion | |
| KR100892268B1 | Multi function valve | |
| US2007228847A1 | High speed electric motor | |
| KR20070095745A | Centrifugal compressor | |
| KR100781127B1 | Rotor for motor | |
| KR100684119B1 | Safety valve | |
| KR100636002B1 | High speed electric motor | |
| KR100648637B1 | Airfoil bearing |