| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | United Kingdom | 3 | |
| #3 | United States | 3 | |
| #4 | France | 1 | |
| #5 | Indonesia | 1 | |
| #6 | Japan | 1 | |
| #7 | Singapore | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Dry-docking of vessels | |
| #2 | Ships |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kaburaki Masahiko | 12 |
| #2 | Kaburagi Masahiko | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU3930497A | A method for a sea-bottom walking experience and apparatus for a sea-bottom walking experience | |
| US5906200A | Method for a sea-bottom walking experience and apparatus for a sea-bottom walking experience | |
| SG25094G | Diving helmet | |
| GB9212623D0 | Air supply system for diving helmets | |
| US5079775A | Diving helmet | |
| JPH0446888A | Simple helmet for diving |