| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 4 | |
| #2 | Australia | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | United States | 2 | |
| #5 | Canada | 1 | |
| #6 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Pharmaceuticals | |
| #2 | Organic fine chemistry |
| # | Technology | |
|---|---|---|
| #1 | Medical preparations | |
| #2 | Therapeutic chemical compounds | |
| #3 | Heterocyclic compounds |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sakata Isao | 12 |
| #2 | Nakajima Susumu | 12 |
| #3 | Nakae Yoshinori | 11 |
| #4 | Takata Hiroyuki | 1 |
| #5 | Mori Masahiko | 1 |
| #6 | Hikida Muneo | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2006085517A1 | Ointment preparation or suppository for pdt based on chlorin or porphyrin derivative | |
| US6746663B2 | Porphyrin compounds | |
| EP1148057A1 | Nitroimidazole-supporting porphyrin complex |