Beijing
China
2
2026-06-04
The entities that hold a legal rights for patent applications filed by inventor HOU Xiaofeng:
Xiaofeng HOU 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 THEREFOR, CATHODE PLATE, BATTERY, AND ELECTRICAL DEVICE
#2 | 2009-02-12CATALYST USED FOR CONVERTING COAL TAR TO DIESEL OIL, ITS PREPARATION METHOD AND USE THEREOF
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