Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Main Group Additional Only
Y10S 315/00

Electric lamp and discharge devices: systems

6 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • Y10S 315/01 Fluorescent lamp circuits with more than two principle electrodes
  • Y10S 315/02 High frequency starting operation for fluorescent lamp
  • Y10S 315/03 Circuit for ion gauges and pressure gauges
  • Y10S 315/04 Dimming circuit for fluorescent lamps
  • Y10S 315/05 Starting and operating circuit for fluorescent lamp
  • Y10S 315/07 Starting and control circuits for gas discharge lamp using transistors

Top Applicants

Top 10 applicants by patent filingsfor class Y10, 2013–2023, worldwide · Source: EPO PATSTAT

  1. BOEING COMPANY US 2,373
  2. FORD GLOBAL TECHNOLOGIES US 2,244
  3. HYUNDAI MOTOR COMPANY KR 2,186
  4. TOYOTA MOTOR CORPORATION JP 1,997
  5. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,837
  6. GE (GENERAL ELECTRIC COMPANY) US 1,794
  7. SAMSUNG ELECTRONICS COMPANY KR 1,705
  8. CORNING US 1,569
  9. TOYOTA MOTOR CORPORATION 1,403
  10. LG CHEM KR 1,364