| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 4 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | Australia | 3 | |
| #4 | China | 3 | |
| #5 | Hong Kong | 3 | |
| #6 | Republic of Korea | 3 | |
| #7 | Taiwan | 3 | |
| #8 | United States | 3 | |
| #9 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Spectacles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hiramoto Kiyoshi | 23 |
| #2 | Kiyoshi Hiramoto | 4 |
| Publication | Filing date | Title |
|---|---|---|
| CA2551378A1 | Eyeglass with simple connection structure and screwless hinge | |
| TW200403484A | Eyeglass with simple connection structure and screwless hinge |