| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 8 | |
| #2 | United States | 6 | |
| #3 | EPO (European Patent Office) | 5 | |
| #4 | Australia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Pharmaceuticals | |
| #2 | Machines | |
| #3 | Biotechnology | |
| #4 | Organic fine chemistry | |
| #5 | Foods and drinks | |
| #6 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Medical preparations | |
| #2 | Unspecified technologies | |
| #3 | Therapeutic chemical compounds | |
| #4 | Specific use of cosmetics | |
| #5 | Fermentation | |
| #6 | Peptides | |
| #7 | Heterocyclic compounds | |
| #8 | Foods | |
| #9 | Fodder | |
| #10 | Climate change mitigation in goods production |
| # | Name | Total Patents |
|---|---|---|
| #1 | Takahashi Hidehiko | 20 |
| #2 | Tomiya Yumiko | 4 |
| #3 | Hara Susumu | 4 |
| #4 | Motoshio Akira | 3 |
| #5 | Imada Katsumi | 3 |
| Publication | Filing date | Title |
|---|---|---|
| CA1179605A | Pyranone compounds and skin lightening cosmetic preparations or local demelanizing agents containing the same | |
| US4545982A | Pyranone compounds and skin-lightening cosmetic preparations or local demelanizing agents containing the same | |
| CA1173052A | Pyranone compounds and skin lightening cosmetic preparations or local demelanizing agents containing the same |