| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 7 | |
| #2 | United States | 2 | |
| #3 | China | 1 | |
| #4 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Electrical machinery and energy | |
| #3 | Audio-visual technology | |
| #4 | Optics | |
| #5 | IT methods for management | |
| #6 | Transport | |
| #7 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Electrotherapy | |
| #2 | Diagnosis and surgery | |
| #3 | Devices using light amplification | |
| #4 | AC and DC conversion devices | |
| #5 | Syringes | |
| #6 | Loudspeakers and microphones | |
| #7 | Data processing systems | |
| #8 | Doors and windows | |
| #9 | Display controls | |
| #10 | Railway systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Huh Jin | 11 |
| #2 | Jang Mi Suk | 2 |
| Publication | Filing date | Title |
|---|---|---|
| KR102013791B1 | Apparatus for irradiating laser | |
| KR20110102725A | Speaker diaphragm | |
| KR20100005398A | Direct radiate-type undirectional full-range speaker system | |
| KR20060090046A | Performance evaluating system | |
| KR20050108688A | Safety accident preventing system for railroad platform | |
| KR20050108687A | Safety accident preventing method for railroad platform | |
| KR100269684B1 | Methods of prepar the fibroid materials for speaker diaphragm. |