CPC Main Group Additional Only
Y04S 50/00 Market activities related to the operation of systems integrating technologies related to power network operation or related to communication or information technologies
4 direct subcodes
Child Classifications
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- Y04S 50/10 Energy trading, including energy flowing from end-user application to grid
- Y04S 50/12 Billing, invoicing, buying or selling transactions or other related activities, e.g. cost or usage evaluation
- Y04S 50/14 Marketing, i.e. market research and analysis, surveying, promotions, advertising, buyer profiling, customer management or rewards
- Y04S 50/16 Energy services, e.g. dispersed generation or demand or load or energy savings aggregation
Top Applicants
Top 10 applicants by patent filingsfor class Y04, 2013–2023, worldwide · Source: EPO PATSTAT
- SGCC(STATE GRID CORPORATION OF CHINA) 11,048
- GUANGDONG POWER GRID CORPORATION 3,187
- NORTH CHINA ELECTRIC POWER UNIVERSITY 1,200
- STATE GRID JIANGSU ELECTRIC POWER COMPANY 956
- STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER COMPANY 929
- SIEMENS DE 899
- STATE GRID ZHEJIANG ELECTRIC POWER COMPANY 794
- GUIZHOU POWER GRID CORPORATION 770
- SHENZHEN POWER SUPPLY BUREAU COMPANY 745
- STATE GRID FUJIAN ELECTRIC POWER COMPANY 720