Inventor

Zhong Baosheng

CN2 patents

Patents

2 patents

US12596316B2Apr 7, 2026

Developing cartridge

ZHUHAI NINESTAR INFORMATION TECH CO LTD0 citations43

US12372919B2Jul 29, 2025

Process cartridge

ZHUHAI NINESTAR INFORMATION TECH CO LTD0 citations42