| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 5 | |
| #2 | Republic of Korea | 2 | |
| #3 | United States | 2 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Environmental technology | |
| #3 | Civil engineering | |
| #4 | Computer technology |
| # | Technology | |
|---|---|---|
| #1 | Sewers | |
| #2 | Water treatment | |
| #3 | Separation | |
| #4 | Electric digital data processing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Komatsu Kiyoshi | 11 |
| Publication | Filing date | Title |
|---|---|---|
| JP2007107386A | Bag for recovering refuse and oil | |
| JP2007107385A | Device for removing refuse and oil | |
| JP2007231512A | Residue removal device for grease trap | |
| JP2006225846A | Refuse and oil removing device and refuse and oil collection bag for the device | |
| JP2005155011A | Pressure reducing device of drain passage for grease trap |