| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 516 | |
| #2 | United States | 16 | |
| #3 | China | 13 | |
| #4 | EPO (European Patent Office) | 13 | |
| #5 | Germany | 3 | |
| #6 | Australia | 1 | |
| #7 | Hong Kong | 1 | |
| #8 | Republic of Korea | 1 | |
| #9 | Malaysia | 1 | |
| #10 | Singapore | 1 | |
| #11 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Machines | |
| #3 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Stamps | |
| #2 | Form printing surfaces | |
| #3 | Writing or drawing tools | |
| #4 | Shaping of plastics | |
| #5 | Fillers | |
| #6 | Reproduction of printing surfaces | |
| #7 | Certain plastics | |
| #8 | Unspecified technologies | |
| #9 | Hairstyling and cosmetic | |
| #10 | Compounding processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ishikawa Hirotoshi | 58 |
| #2 | Kageyama Tomohiro | 43 |
| #3 | Ota Tsuyotoshi | 40 |
| #4 | Uchida Narutoshi | 34 |
| #5 | Abe Eiji | 33 |
| #6 | Asahino Kinya | 30 |
| #7 | Ozeki Masayoshi | 25 |
| #8 | Mitsuya Takayuki | 19 |
| #9 | Higuchi Takahiro | 19 |
| #10 | Koide Takuya | 18 |
| Publication | Filing date | Title |
|---|---|---|
| JP2020163097A | Drawing material composition | |
| JP2020203445A | Seal | |
| JP2020199718A | Seal | |
| JP2020181377A | Internet ordering system for stamp faces | |
| JP2020163672A | Capless seal | |
| JP2020161022A | Stamp rally system | |
| JP2020161023A | Stamp rally system | |
| JP2020157694A | stamp | |
| JP2020147648A | Ink for marking | |
| JP2020142456A | Direct liquid type ink cartridge | |
| JP2020131678A | stamp | |
| JP2020134732A | Display tag | |
| JP2020132725A | Water-based metallic color ink | |
| JP2020131480A | stamp | |
| JP2020124848A | Ink cartridge | |
| JP2020124809A | Stamp stand | |
| JP2020116801A | Connection seal | |
| JP2020114629A | Coupled stamp | |
| JP2020110992A | Connection stamp | |
| JP2020083941A | Watercolor pigment stamp ink |