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In order to deeply analyze the current status and trends of electric vertical take-off and landing(eVTOL) aircraft, and reveal the correlation between technological innovation and market demand, the “Incopat” patent database was used to retrieve patent data related to the field of eVTOL aircraft published globally from 2000 to the present. After noise reduction, cleaning and other processing of the retrieved results, a final sample of 2 794 patent data points was determined for analysis. The patent information in the field of eVTOL aircraft was studied from aspects including application trends, layout in major countries, patent technology distribution and analysis of major applicants. It is found that eVTOL aircraft, as an emerging technology field, are experiencing rapid growth in patent application activities globally. The United States leads in technological innovation and patent layout within this field. China still lags behind the United States in the realm of eVTOL aircraft, but it is currently a major source of innovation and a potential industrial base in the market, developing rapidly and poised to become a new leader. Europe, Japan and South Korea are actively making layouts, reflecting a trend of globalized development in this field. Regions such as Shanghai, Jiangsu and Beijing have already emerged as hubs of innovation, while central and western provinces represent future growth areas. However, there is a lack of involvement from relevant research institutes. It is recommended that relevant entities strengthen deep integration and collaborative innovation globally to promote the development of this emerging technology.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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