| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 8 | |
| #2 | WIPO (World Intellectual Property Organization) | 6 | |
| #3 | China | 3 | |
| #4 | United States | 3 | |
| #5 | Canada | 2 | |
| #6 | Australia | 1 | |
| #7 | Brazil | 1 | |
| #8 | EPO (European Patent Office) | 1 | |
| #9 | Israel | 1 | |
| #10 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Packaging and shipping | |
| #3 | Thermal processes | |
| #4 | Machine tools | |
| #5 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Nails | |
| #2 | Gearing | |
| #3 | Closing and opening bottles | |
| #4 | Containers for goods storage | |
| #5 | Making screws | |
| #6 | Heat-exchange device details | |
| #7 | Heat-exchanger without contact | |
| #8 | Chemical or physical processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Michiwaki Hiroshi | 26 |
| Publication | Filing date | Title |
|---|---|---|
| WO2012001759A1 | Variable-circumference tubular body | |
| AU2009222778A1 | Mechanism for assisting opening and closing of screw cap | |
| CN101999052A | Double-end threaded body and internally-threaded body |