| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 6 | |
| #2 | China | 3 | |
| #3 | Japan | 3 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Environmental technology | |
| #3 | Telecommunications | |
| #4 | Computer technology | |
| #5 | IT methods for management | |
| #6 | Thermal processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kim Jang Su | 5 |
| #2 | Won Jong Ho | 2 |
| #3 | Chang Soo Gum | 2 |
| #4 | Lee Yong Su | 2 |
| #5 | Kim Jang-Soo | 1 |
| #6 | Soo Gum Chang | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR102161575B1 | Waste glass recovery apparatus for manufacturing glass bead for marking road | |
| KR20200000131A | A ventilative system | |
| KR20100103251A | System and method for studying of language using automatic synchronized memorization, recording medium therefor | |
| KR20030081194A | Character Code Input Apparatus and Method therefor | |
| JP2003216012A | System and method for language education using meaning unit and relational question | |
| KR20020041784A | System and Method for Language Education Using Thought Unit and Relation Question |