| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 4 | |
| #2 | Canada | 3 | |
| #3 | EPO (European Patent Office) | 3 | |
| #4 | Taiwan | 2 | |
| #5 | China | 1 | |
| #6 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | IT methods for management | |
| #2 | Control | |
| #3 | Civil engineering | |
| #4 | Digital networks | |
| #5 | Computer technology | |
| #6 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Data processing systems | |
| #2 | Locks | |
| #3 | Alarm systems | |
| #4 | Electric digital data processing | |
| #5 | Digital information transmission | |
| #6 | Electric switches |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fukui Masahiro | 10 |
| #2 | Lee Kwang Hyun | 3 |
| #3 | Kim Sung Shik | 1 |
| #4 | Lee Kwang-Hyun | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR102026664B1 | Apparatus for Informing Door Opening and Indicating Position of Panic Bar | |
| WO2019199044A1 | Door opening notification and door handle/panic bar position indication device | |
| KR101934231B1 | Apparatus for informing door opening and indicating position of door handle |