| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 13 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Chairs and beds |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tosaka Kazuhiko | 6 |
| #2 | Katsuura Hiroo | 5 |
| #3 | Harada Tomoya | 3 |
| Publication | Filing date | Title |
|---|---|---|
| JP2010200907A | Bed | |
| JP2009022657A | High bunk bed | |
| JP2007236650A | Learning desk | |
| JP2007151590A | Study desk | |
| JP2005348858A | Study desk | |
| JP2005342377A | Desk having bookshelf | |
| JP2005245693A | Study desk | |
| JP2005245586A | Study desk | |
| JP2005198736A | Desk for oa apparatus | |
| JP2004154203A | Grille supporting structure for bed | |
| JP2003319851A | Chair | |
| JP2002360348A | Desk | |
| JP2000300365A | Bookshelf structure |