| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 11 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Electrical machinery and energy | |
| #3 | Civil engineering | |
| #4 | Medical technology | |
| #5 | Machine tools | |
| #6 | Transport | |
| #7 | Furniture and games |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lee Yun Boon | 10 |
| #2 | Park Young Bong | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR20080009941A | Solenoid valve | |
| KR20070062709A | Slide spool-type valve | |
| KR20060084625A | Solenoid valve | |
| KR20060084624A | Valve | |
| KR20050105363A | Body for slide spool-type valve | |
| KR20050097253A | Spool valve | |
| KR20050087261A | Slide spool valve | |
| KR20050069454A | Three-port solenoid valve | |
| KR20050068696A | Direct solenoid-operated four-way directional control valve | |
| KR20050031353A | Slide spool-type valve | |
| KR20050011251A | Direct-acting solenoid operated directional control valve |