| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 12 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Digital networks | |
| #3 | Measurement | |
| #4 | Control |
| # | Technology | |
|---|---|---|
| #1 | Digital information transmission | |
| #2 | Television | |
| #3 | Special measuring | |
| #4 | Control or regulating systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Qunhui Zhang | 6 |
| #2 | Zhang Qunhui | 6 |
| Publication | Filing date | Title |
|---|---|---|
| CN107360070A | A kind of smart home environment monitoring system based on wireless sense network | |
| CN1088126A | Four-player chess series | |
| CN1068514A | Chinese Chess | |
| CN1054943A | Come and go envelope, answer sheet | |
| CN1053560A | Peace chess and peace sign | |
| CN1042663A | Union chess, military chess, modern chess, transition chess and great harmony chess | |
| CN1044050A | Rosefinch board " Wuxing " chess and five-elements playing card |