| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 5 | |
| #2 | Australia | 3 | |
| #3 | Canada | 3 | |
| #4 | WIPO (World Intellectual Property Organization) | 3 | |
| #5 | Taiwan | 2 | |
| #6 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Furniture and games | |
| #3 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Dry-docking of vessels | |
| #2 | Physical training equipment | |
| #3 | Spectacles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kranhouse Jon | 15 |
| #2 | Jiyon Kuranhausu | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO02058796A2 | Surface optics for twin-domed diving masks | |
| AU6379896A | Diving mask with lenses and method of fabricating the same | |
| AU5907194A | Diving mask with lenses and method of fabricating the same | |
| CA2119318A1 | Diving mask with lenses and method of fabricating the same | |
| WO9305431A1 | Diving mask with lenses and method of fabricating the same |