| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 28 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Chairs and beds |
| # | Name | Total Patents |
|---|---|---|
| #1 | Usami Nobuo | 28 |
| Publication | Filing date | Title |
|---|---|---|
| JP2004357812A | Half body rising bed | |
| JP2003339786A | Half body erectable bed | |
| JP2003024393A | Bed that allows user to rise the upper body | |
| JP2001197963A | Folding bed | |
| JP2001197964A | Folding mattress | |
| JP2001104112A | Bed hardness selecting device | |
| JP2000106979A | Device for selecting bed hardness | |
| JPH11244098A | Mattress for bed | |
| JPH11151270A | Half body rising bed | |
| JPH11151269A | Half body rising bed | |
| JPH1189678A | Coil spring for mattress | |
| JPH119413A | Bedding cover | |
| JPH10234526A | Pocketed coil production device | |
| JPH10165261A | Mattress | |
| JPH10165262A | Mattress | |
| JPH09276083A | Mattress for bed | |
| JPH09276084A | Mattress for bed | |
| JPH08317837A | Mattress | |
| JPH08182584A | Coil spring for mattress | |
| JPH0889366A | Spring mattress |