| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 5 | |
| #2 | United States | 4 | |
| #3 | China | 3 | |
| #4 | Canada | 2 | |
| #5 | EAPO (Eurasian Patent Organization) | 2 | |
| #6 | Taiwan | 2 | |
| #7 | WIPO (World Intellectual Property Organization) | 2 | |
| #8 | Germany | 1 | |
| #9 | EPO (European Patent Office) | 1 | |
| #10 | United Kingdom | 1 | |
| #11 | Mexico | 1 | |
| #12 | Singapore | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Civil engineering | |
| #3 | Machines | |
| #4 | Machine tools | |
| #5 | Audio-visual technology | |
| #6 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Sewers | |
| #3 | Spraying devices | |
| #4 | Shaping of plastics | |
| #5 | Unspecified technologies | |
| #6 | Perforating | |
| #7 | Nails | |
| #8 | Cutting | |
| #9 | Television | |
| #10 | Measuring length, angles and areas |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kamiyama Takao | 18 |
| #2 | Ishida Makoto | 8 |
| #3 | Fujii Kenji | 7 |
| #4 | Kaneta Koji | 7 |
| #5 | Takao Kamiyama | 6 |
| #6 | Takeshi Hasegawa | 5 |
| #7 | Ogura Kazuaki | 4 |
| #8 | Makoto Ishida | 4 |
| #9 | Hasegawa Takeshi | 3 |
| #10 | Miura Katsuyori | 3 |
| Publication | Filing date | Title |
|---|---|---|
| WO2016163191A1 | Perforation device and perforation method |