| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 8 | |
| #2 | Norway | 5 | |
| #3 | EPO (European Patent Office) | 4 | |
| #4 | Australia | 3 | |
| #5 | Mexico | 3 | |
| #6 | Brazil | 2 | |
| #7 | New Zealand | 2 | |
| #8 | United States | 2 | |
| #9 | African Regional Industrial Property Organization | 1 | |
| #10 | Czechia | 1 | |
| #11 | EAPO (Eurasian Patent Organization) | 1 | |
| #12 | Estonia | 1 | |
| #13 | United Kingdom | 1 | |
| #14 | Hong Kong | 1 | |
| #15 | Croatia | 1 | |
| #16 | Indonesia | 1 | |
| #17 | Israel | 1 | |
| #18 | Luxembourg | 1 | |
| #19 | Morocco | 1 | |
| #20 | Netherlands | 1 | |
| #21 | Poland | 1 | |
| #22 | Saudi Arabia | 1 | |
| #23 | Slovenia | 1 | |
| #24 | Slovakia | 1 | |
| #25 | Ukraine | 1 | |
| #26 | Yugoslavia (Serbia and Montenegro) | 1 | |
| #27 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Organic fine chemistry | |
| #2 | Pharmaceuticals |
| # | Name | Total Patents |
|---|---|---|
| #1 | Brackenridge Ian | 14 |
| #2 | Knight John | 13 |
| #3 | Oxford Alexander William | 13 |
| #4 | Hartley David | 13 |
| #5 | Jack David | 12 |
| #6 | Mcintyre Steven | 12 |
| #7 | Mcgee Caroline | 11 |
| #8 | Young Rodney Christopher | 5 |
| #9 | Kaumann Alberto Julio | 3 |
| #10 | Dilly Stephen | 3 |
| Publication | Filing date | Title |
|---|---|---|
| GB0023922D0 | Medicaments | |
| NZ514157A | Derivatives of pyrimido[6,1-A]isoquinolin-4-one | |
| NZ514158A | Derivatives of pyrimido[6,1-a]isoquinolin-4-one |