| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | Taiwan | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | China | 1 | |
| #6 | Japan | 1 | |
| #7 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Medical technology | |
| #3 | Machines | |
| #4 | Consumer goods | |
| #5 | Chemical engineering | |
| #6 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Diagnosis and surgery | |
| #2 | Brushes | |
| #3 | Production of brushes | |
| #4 | Shaping of plastics | |
| #5 | Special textiles | |
| #6 | Unspecified technologies | |
| #7 | Woven fabrics | |
| #8 | Certain plastics | |
| #9 | Finishing textile fabrics | |
| #10 | Cutting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tanaka Michio | 13 |
| #2 | Inoue Makoto | 2 |
| #3 | Michio Tanaka | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2019040561A1 | Method for manufacturing sheet for use in tongue plaque cleaner | |
| US2016100850A1 | Tongue cleaner | |
| JP2015073586A | Oral cavity cleaning tool | |
| EP2446840A2 | Tongue cleaner | |
| WO2012046337A1 | Tongue coating-cleaning tool and production method therefor | |
| US2009131960A1 | Tongue cleaner |