| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Australia | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Canada | 1 | |
| #5 | China | 1 | |
| #6 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Biotechnology | |
| #3 | Machines | |
| #4 | Macromolecular chemistry and polymers | |
| #5 | Medical technology |
| # | Technology | |
|---|---|---|
| #1 | Chemical or physical processes | |
| #2 | Microorganisms | |
| #3 | Special macromolecular compounds | |
| #4 | Peptides | |
| #5 | Separation | |
| #6 | Unspecified technologies | |
| #7 | Compounding processes | |
| #8 | Object sterilising |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kitagawa Naotaka | 15 |
| #2 | Benson James R | 11 |
| #3 | Li Nai-Hong | 11 |
| Publication | Filing date | Title |
|---|---|---|
| AU7618698A | Polymeric microbeads and method of preparation | |
| US6048908A | Hydrophilic polymeric material | |
| US5583162A | Polymeric microbeads and method of preparation |