| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 11 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Chairs and beds |
| # | Name | Total Patents |
|---|---|---|
| #1 | Li Junhua | 11 |
| Publication | Filing date | Title |
|---|---|---|
| CN104505062A | Piano side plate structure with storage rack | |
| CN104505059A | Soundboard and vertical piano with same | |
| CN104505064A | Allow for piano | |
| CN104505060A | Key bed for piano | |
| CN104505058A | Toe block assembly for piano | |
| CN104490155A | Music stool | |
| CN104505070A | Piano music stand | |
| CN104505061A | Arm for piano | |
| CN104505066A | Piano | |
| CN104505063A | Volume control structure of piano | |
| CN104505065A | Horizontal piano |