| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 9 | |
| #2 | Republic of Korea | 4 | |
| #3 | WIPO (World Intellectual Property Organization) | 4 | |
| #4 | Australia | 3 | |
| #5 | EPO (European Patent Office) | 3 | |
| #6 | United States | 3 | |
| #7 | Brazil | 2 | |
| #8 | China | 1 | |
| #9 | Hong Kong | 1 | |
| #10 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Furniture and games | |
| #3 | Chemical engineering | |
| #4 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Kitchen equipment | |
| #2 | Separation | |
| #3 | Sewers | |
| #4 | Domestic plumbing installations | |
| #5 | Water treatment | |
| #6 | Cleaning |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sato Tadayoshi | 30 |
| #2 | Tadayoshi Sato | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR20050042492A | Food fryer | |
| WO2004022489A1 | Purifying vessel | |
| TW200409846A | A sink with an oil content recovery function | |
| JP2001292932A | Stool equipped with ultraviolet sterilization lamp | |
| JPH11291691A | White board having subsidiary display bar | |
| CN1119063A | Frying device | |
| JPH08228938A | Frying device with boundary line confirmation window | |
| JPH0833579A | Fry cooker | |
| JPH07308260A | Air-cooled fryer | |
| JPH06304078A | Frier and advertising method for frier | |
| KR940009560B1 | Frying equipment | |
| JPH01155810A | Filter for frying oil | |
| JPS6253621A | Filter of tempura oil | |
| US3959840A | Pipe cleaning apparatus |