| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 7 | |
| #2 | China | 5 |
| # | Industry | |
|---|---|---|
| #1 | Control |
| # | Technology | |
|---|---|---|
| #1 | Coin-freed |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ye Zhijian | 12 |
| #2 | Wang Bin | 12 |
| #3 | Liao Xin | 12 |
| #4 | Chen Kunrong | 12 |
| #5 | Zeng Dingfu | 12 |
| #6 | Lai Hang | 12 |
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|---|---|---|
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