| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 2 | |
| #2 | India | 2 | |
| #3 | Japan | 2 | |
| #4 | Yugoslavia (Serbia and Montenegro) | 2 | |
| #5 | Argentina | 1 | |
| #6 | Austria | 1 | |
| #7 | Australia | 1 | |
| #8 | Canada | 1 | |
| #9 | Cyprus | 1 | |
| #10 | Germany | 1 | |
| #11 | United Kingdom | 1 | |
| #12 | Greece | 1 | |
| #13 | Italy | 1 | |
| #14 | Netherlands | 1 | |
| #15 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Organic fine chemistry | |
| #2 | Pharmaceuticals | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Heterocyclic compounds | |
| #2 | Therapeutic chemical compounds | |
| #3 | Medical preparations | |
| #4 | Unspecified technologies | |
| #5 | Sugars |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bruzzese Tiberio | 7 |
| #2 | Teiberio Buratsuzesu | 2 |
| #3 | Bruzzese T | 2 |
| Publication | Filing date | Title |
|---|---|---|
| JPS5716888A | Rifamycins and manufacture | |
| GB1594134A | Rifamycins |