IPC Subgroup
H02J 7/4 characterised by the exchange of charge or discharge related data
Introduced: January 2026
Full Title
Circuit arrangements for charging or discharging batteries or for supplying loads from batteries > characterised by the exchange of charge or discharge related data
Classification Context
- Section:
- ELECTRICITY
- Class:
- GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
- Subclass:
- ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
5 direct subcodes
Child Classifications
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- H02J 7/42 with electronic devices having internal batteries, e.g. mobile phones
- H02J 7/44 between battery management systems and power sources
- H02J 7/45 between battery management systems and external servers
- H02J 7/46 Leader-follower arrangements
- H02J 7/47 Arrangements for checking compatibility or authentication between one component, e.g. a battery or a battery charger, and another component, e.g. a power source
Top Applicants
Top 10 applicants by patent filingsfor class H02, 2013–2023, worldwide · Source: EPO PATSTAT
- SGCC(STATE GRID CORPORATION OF CHINA) 54,496
- MITSUBISHI ELECTRIC CORPORATION JP 10,495
- TOYOTA MOTOR CORPORATION 9,464
- GUANGDONG POWER GRID CORPORATION 9,339
- ROBERT BOSCH DE 8,226
- SIEMENS DE 8,218
- DENSO CORPORATION 7,063
- MITSUBISHI ELECTRIC CORPORATION 6,619
- SAMSUNG ELECTRONICS COMPANY KR 5,826
- GREE ELECTRIC APPLIANCES 5,094