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PCE
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CPC Subgroup Additional Only
Y04S 50/12

Billing, invoicing, buying or selling transactions or other related activities, e.g. cost or usage evaluation

Full Title

Market activities related to the operation of systems integrating technologies related to power network operation or related to communication or information technologies > Billing, invoicing, buying or selling transactions or other related activities, e.g. cost or usage evaluation

Top Applicants

Top 10 applicants by patent filingsfor class Y04, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SGCC(STATE GRID CORPORATION OF CHINA) 11,048
  2. GUANGDONG POWER GRID CORPORATION 3,187
  3. NORTH CHINA ELECTRIC POWER UNIVERSITY 1,200
  4. STATE GRID JIANGSU ELECTRIC POWER COMPANY 956
  5. STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER COMPANY 929
  6. SIEMENS DE 899
  7. STATE GRID ZHEJIANG ELECTRIC POWER COMPANY 794
  8. GUIZHOU POWER GRID CORPORATION 770
  9. SHENZHEN POWER SUPPLY BUREAU COMPANY 745
  10. STATE GRID FUJIAN ELECTRIC POWER COMPANY 720