| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 12 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Chairs and beds | |
| #2 | Office furniture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Peetaa Rutsushiyu | 6 |
| #2 | Furantsu Hoorenkanpu | 5 |
| #3 | Furantsu Hoorenkamupu | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JPH07303545A | Seat furniture which can be used as bed as well | |
| JPS6045308A | Engaging metal fitting for adjustable backrest or support member of seat or bed | |
| JPS6045311A | Safe chair or sofa type seat furniture | |
| JPS57148909A | Display stand for sale | |
| JPS5663313A | Easy chair convertible to sleeping chair |