| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 6 | |
| #2 | Japan | 4 | |
| #3 | Taiwan | 3 | |
| #4 | China | 2 | |
| #5 | EPO (European Patent Office) | 2 | |
| #6 | Republic of Korea | 2 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Chemical engineering | |
| #3 | Textiles and paper | |
| #4 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Non-metallic elements | |
| #2 | Chemical or physical processes | |
| #3 | Artificial filament production devices | |
| #4 | Water treatment | |
| #5 | Inorganic compounds |
| # | Name | Total Patents |
|---|---|---|
| #1 | Shimizu Hirokazu | 19 |
| #2 | Nakano Tomoyasu | 19 |
| #3 | Sakai Keiji | 14 |
| #4 | Kawachi Akinori | 4 |
| #5 | Kawauchi Akinori | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2019244905A1 | Activated carbon | |
| WO2019244903A1 | Activated carbon | |
| WO2019244904A1 | Activated carbon | |
| WO2018181778A1 | Method for producing activated carbon | |
| JP2019167258A | Activated carbon and production method thereof | |
| WO2018116859A1 | Active carbon and production method thereof | |
| WO2018116858A1 | Active carbon and production method thereof |