| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 79 | |
| #2 | Republic of Korea | 4 | |
| #3 | Hong Kong | 2 | |
| #4 | United States | 2 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Chairs and beds | |
| #2 | Fiber treatments | |
| #3 | Household appliances |
| # | Name | Total Patents |
|---|---|---|
| #1 | Inagaki Kenichi | 60 |
| #2 | Okamoto Noriyuki | 21 |
| #3 | Takeda Kazuo | 5 |
| #4 | Yamazaki Tadashi | 3 |
| #5 | Noriyuki Okamoto | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2008194130A | Futon and its manufacturing method | |
| JP2007267915A | Futon | |
| JP2007202775A | Air futon apparatus | |
| JP2006346246A | Feather quilt and manufacturing method thereof | |
| JP2006255262A | Fabric structure for quilt, its manufacturing method and quilt | |
| JP2006230456A | Bedding for quilt | |
| JP2005193007A | Futon | |
| JP2005319272A | Futon mat | |
| JP2005323744A | Mattress | |
| JP2005319070A | Quilt | |
| JP2005218629A | Comforter and bed spread | |
| JP2005095558A | Bed | |
| JP2005160713A | Feather comforter and its manufacturing method | |
| JP2004321774A | Bed | |
| JP2004195209A | Bed | |
| JP2005124817A | Futon | |
| JP2005080699A | Connection bed | |
| JP2005080700A | Connection bed | |
| JP2004298482A | Comforter | |
| JP2004298481A | Comforter cover |