| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 4 | |
| #2 | United States | 3 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | Russian Federation | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Consumer goods | |
| #3 | Optics | |
| #4 | Basic materials chemistry | |
| #5 | Control |
| # | Technology | |
|---|---|---|
| #1 | Printing processes | |
| #2 | Books | |
| #3 | Paper coating | |
| #4 | Optical systems | |
| #5 | Coating compositions | |
| #6 | Money sorting | |
| #7 | Printing machines | |
| #8 | Reproduction of printing surfaces |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yuan Guolin | 9 |
| #2 | Meng Qingfei | 9 |
| #3 | Zhou Xiaoquan | 8 |
| #4 | Zhang Yong | 8 |
| #5 | Zhang Xing | 8 |
| #6 | Zhang Shifan | 8 |
| #7 | Ma Yongsheng | 3 |
| #8 | Qiao Ming | 2 |
| #9 | Shao Guangsheng | 2 |
| #10 | Liang Ping | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN110920283A | Printing stock printed with patterns with triple visual effects and preparation method thereof | |
| CN110791152A | Saturated sodium sulfide resistant engraving gravure ink and preparation method thereof | |
| CN109895499A | A method of preventing engraving intaglio printing ink printing thickening aging | |
| CN109251590A | Buffer-type magneto discoloration anti-forgery ink composition and its identification device |