Inventor

Huang wanhong

CN4 patents

Patents

4 patents

US9785110B2Oct 10, 2017

Developing cartridge

NINESTAR CORP3 citations66

US10394163B2Aug 27, 2019

Toner cartridge with a toner switch assembly

NINESTAR CORP0 citations45

US9869949B2Jan 16, 2018

Toner cartridge with a toner switch assembly

NINESTAR CORP0 citations45

US10203656B2Feb 12, 2019

Processing cartridge

NINESTAR CORP0 citations33