| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | China | 3 | |
| #3 | Republic of Korea | 3 | |
| #4 | Canada | 2 | |
| #5 | EPO (European Patent Office) | 2 | |
| #6 | Japan | 2 | |
| #7 | WIPO (World Intellectual Property Organization) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | IT methods for management |
| # | Technology | |
|---|---|---|
| #1 | Teaching materials | |
| #2 | Data processing systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kim Yong Jae | 16 |
| #2 | Kim Seo Joon | 16 |
| #3 | Cho Seung Yun | 8 |
| #4 | Shin Jong Ho | 8 |
| #5 | Kim Seo-Joon | 2 |
| #6 | Cho Sung Eun | 2 |
| #7 | Cho Seung-Yun | 2 |
| #8 | Shin Jeong Ho | 2 |
| #9 | Shin Jong-Ho | 2 |
| #10 | Kim Young-Jae | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA3054898A1 | Method, system and non-transitory computer-readable recording medium for supporting learning of basic arithmetic operations | |
| WO2013125861A1 | Method and system for providing education service based on knowledge unit, and computer-readable recording medium |