| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 4 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | Australia | 1 | |
| #4 | Hong Kong | 1 | |
| #5 | New Zealand | 1 | |
| #6 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Closing and opening bottles | |
| #2 | Cutting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Koo Hong-Wah Vincent | 5 |
| #2 | Koo Hong-Wah Vincent Room - Wo | 1 |
| #3 | Koo Hong-Wah Vincent Room - | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0441827A1 | Improvements in can openers | |
| NZ230991A | Egg slicer with thumb engaging loop on upper arm thereof | |
| GB8826056D0 | Improvements in can openers | |
| GB8826057D0 | Improvements in can openers | |
| GB8826055D0 | Improvements in can openers | |
| GB8826054D0 | Improvements in can openers |