DIFF Subgroup Additional Only
Y02B 20/30 Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Full Title
Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps > Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Top Applicants
Top Applicants (CPC)
Class Y02,2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 30,705
- TOYOTA MOTOR CORPORATION 29,065
- SGCC(STATE GRID CORPORATION OF CHINA) 22,908
- LG CHEM KR 22,513
- LG ENERGY SOLUTION KR 20,650
- TOYOTA MOTOR CORPORATION JP 18,015
- HYUNDAI MOTOR COMPANY KR 17,857
- ROBERT BOSCH DE 16,262
- SAMSUNG ELECTRONICS COMPANY KR 14,408
- GE (GENERAL ELECTRIC COMPANY) US 12,474