| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | China | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | India | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Sewing | |
| #2 | Special sewing techniques | |
| #3 | Analysing materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cho Myung Rai | 10 |
| #2 | Jo Myung Rae | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR20130036623A | Apparatus, device, and method for monitoring the status of lower thread of sewing machine | |
| KR101077530B1 | Apparatus for detecting the end of lower thread of sewing machine | |
| KR20120026432A | Apparatus for detecting the end of lower thread on sewing machine | |
| KR100985848B1 | Apparatus for detecting the end of lower thread on sewing machine |