| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | China | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Transport | |
| #4 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Nails | |
| #2 | Unspecified technologies | |
| #3 | Motor vehicles | |
| #4 | Electrically-conductive connections |
| # | Name | Total Patents |
|---|---|---|
| #1 | Iwata Kiyotaka | 5 |
| #2 | Suzuki Nobuhide | 3 |
| #3 | Kitai Kazuki | 3 |
| #4 | Iwata Yukichi | 3 |
| #5 | Suzuki Nobuyoshi | 2 |
| #6 | Ono Mitsunari | 2 |
| #7 | Tasaka Kenta | 1 |
| #8 | Kazuki Kitai | 1 |
| #9 | Kiyotaka Iwata | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US6908270B1 | Self-locking bolt | |
| US5672037A | Loosening and dislodging preventing screw |