| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 7 | |
| #2 | Canada | 1 | |
| #3 | Indonesia | 1 | |
| #4 | Singapore | 1 | |
| #5 | United States | 1 | |
| #6 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Agriculture | |
| #3 | Computer technology | |
| #4 | Control | |
| #5 | IT methods for management | |
| #6 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kim Hun Su | 12 |
| Publication | Filing date | Title |
|---|---|---|
| KR20210022295A | Breast wall structure and method for constructing the breast wall structure | |
| KR20190142927A | Breast wall structure | |
| KR20170122171A | Planting apparatus | |
| KR20170117763A | Planting structure installable for road protector of various shape | |
| KR20100076231A | Abacus with easy repairs | |
| KR20090126932A | Abacus calculation and mental arithmetic assessment system and assessment method using a beads' movement | |
| KR20090126986A | Character abacus |