Inventor

CAO JIANXIN

CN18 patents

⚠️ This page may combine multiple inventors who share the name “CAO JIANXIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CAO JIANXIN

NINESTAR CORP

Developing cartridge

Toner cartridge having alleviated toner scattering

Developer cartridge with counting mechanism

Processing cartridge

ZHUHAI SEINE TECHNOLOGY CO LTD

Rotational force driving assembly and process cartridge

Photosensitive drum driving head and driving mechanism of image forming apparatus

Developer cartridge with counting mechanism

APEX TECH CO LTD

Rotational force driving assembly process cartridge

Processing cartridge and driving assembly thereof

ZHUHAI SEINE TECH CO LTD

Process cartridge having a control mechanism for a driving mechanism

Photosensitive process cartridge with driving force receiver

GU WEIDONG

Printer cartridge having a retractable mechanism

ZHUHAI SEINE TECH LTD

Process cartridge having a driving force receiver

ZHUHAI NINESTAR MAN CO LTD

Ribbon cassette for label printing device

WU LIANJUN

Method for controlling the distance between the photosensitive member and the developing member in a toner cartridge, and the device thereof

ZHEJIANG RISING BIOTECHNOLOGY CO LTD

Amino acid sequence of recombinant human bone morphogenetic protein-2

PENG QINGFEI

Developer cartridge with counting mechanism

CHANGCHUN APPLIED CHEMISTRY

White electroluminescent polymeric material and preparation thereof