| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 23 | |
| #2 | United States | 8 | |
| #3 | EPO (European Patent Office) | 7 | |
| #4 | China | 5 | |
| #5 | Republic of Korea | 4 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Packaging and shipping | |
| #3 | Chemical engineering | |
| #4 | Mechanical elements | |
| #5 | Machines | |
| #6 | Furniture and games | |
| #7 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Motor vehicles | |
| #2 | Cleaning | |
| #3 | Manipulators | |
| #4 | Domestic washing | |
| #5 | Spraying devices | |
| #6 | Blasting | |
| #7 | Nails | |
| #8 | Ships | |
| #9 | Pipes | |
| #10 | Winches |
| # | Name | Total Patents |
|---|---|---|
| #1 | Urakami Fukashi | 46 |
| #2 | Fukashi Urakami | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2021029235A1 | Negative-pressure suction seal for negative-pressure suction movement device | |
| WO2019039343A2 | Device capable of adhering by suction to object surface and traveling therealong |