Beijing
China
3
2026-05-07
The entities that hold a legal rights for patent applications filed by inventor Chen Feijiang:
Feijiang Chen from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
CATHODE ACTIVE MATERIAL AND PREPARATION METHOD THEREOF, POSITIVE ELECTRODE PLATE, BATTERY, AND ELECTRICAL DEVICE
#2 | 2025-10-02SODIUM ION BATTERY CATHODE MATERIAL AND PREPARATION METHOD THEREOF AND SODIUM ION BATTERY
#3 | 2024-06-06SODIUM-CONTAINING OXIDE POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR AND USE THEREOF, AND POSITIVE ELECTRODE PLATE AND USE THEREOF
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