| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 12 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Textiles and paper | |
| #3 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Electrography | |
| #2 | Typewriters | |
| #3 | Handling thin material |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zhang Liying | 12 |
| Publication | Filing date | Title |
|---|---|---|
| CN108803277A | A kind of duplicator | |
| CN108803291A | A kind of duplicator | |
| CN108803278A | A kind of duplicator | |
| CN108996280A | A kind of duplicator | |
| CN108839455A | A kind of print control system | |
| CN108790427A | A kind of printer | |
| CN108845486A | A kind of duplicator | |
| CN108845482A | A kind of duplicator | |
| CN108803279A | A kind of duplicator | |
| CN108790403A | A kind of printer | |
| CN108845485A | A kind of duplicator | |
| CN108839454A | A kind of print control program |