| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 17 | |
| #2 | WIPO (World Intellectual Property Organization) | 8 | |
| #3 | United States | 4 | |
| #4 | EPO (European Patent Office) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Walking sticks |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lee Boo Il | 31 |
| Publication | Filing date | Title |
|---|---|---|
| KR102090161B1 | An umbrella with an umbrella cover | |
| KR102012244B1 | Stretcher-assembly and auto-umbrella) | |
| KR20180076609A | umbrella | |
| KR20180012490A | Umbrella | |
| WO2014030970A2 | Umbrella | |
| KR101366756B1 | Umbrella | |
| KR20130022956A | Umbrella | |
| KR20120040606A | Umbrella | |
| KR20110102782A | A parasol | |
| KR20110068569A | Stretcher-assembly and folding-umbrella | |
| KR20110026833A | Stretcher-assembly and folding-umbrella | |
| KR20100127052A | An umbrella | |
| KR20100062177A | An umbrella | |
| KR20100029614A | Automatic umbrella | |
| KR20100015204A | An umbrella | |
| KR20080111348A | An umbrella | |
| KR20080103764A | Automatic umbrella | |
| KR20080098870A | Automatic umbrella |