| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | China | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Medical technology | |
| #3 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Spectacles | |
| #2 | Implantable devices | |
| #3 | Grinding or polishing devices | |
| #4 | Optical systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lee Chang Seon | 9 |
| #2 | Ma Ki Jung | 4 |
| #3 | Changseon Lee | 1 |
| #4 | Yang Kwang Seung | 1 |
| #5 | Lee Changseon | 1 |
| #6 | Seo Jeong Woo | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN111971612A | Contact lens for improving presbyopia worn by one eye | |
| KR20160131782A | Soft contact lens for presbyopia and method for thereof | |
| WO2015108211A1 | Soft contact lens for presbyopia and manufacturing method therefor | |
| KR101390215B1 | Soft contact lens for presbyopia and method for thereof | |
| KR20120076432A | An injector for an ophthalmic insertion |