Inventor
CHANG CHENG-MIN
TW12 patents
⚠️ This page may combine multiple inventors who share the name “CHANG CHENG-MIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MICROJET TECHNOLOGY CO LTD
6 patentsUS6692119B2Feb 17, 2004
Method of regulating pressure of ink cartridge and the pressure regulating device thereof
MICROJET TECHNOLOGY CO LTD27 citations92
USD469463SJan 28, 2003
Cartridge
MICROJET TECHNOLOGY CO LTD20 citations92
USD538335SMar 13, 2007
Cartridge
MICROJET TECHNOLOGY CO LTD28 citations91
USD535326SJan 16, 2007
Cartridge
MICROJET TECHNOLOGY CO LTD11 citations82
USD477021SJul 8, 2003
Print cartridge
MICROJET TECHNOLOGY CO LTD9 citations73
US6692120B2Feb 17, 2004
Pressure regulation apparatus for ink reservoir
MICROJET TECHNOLOGY CO LTD2 citations62
IND TECH RES INST
4 patentsUS9515530B2Dec 6, 2016
Stator module and magnetic field generating structure thereof
IND TECH RES INST11 citations78
US11658599B1May 23, 2023
Voltage measurement device for pulse-width modulation signals, motor driving device and method thereof
IND TECH RES INST0 citations58
US11381157B1Jul 5, 2022
Motor drive and method for reducing dead band of motor drive
IND TECH RES INST0 citations58
US12500407B2Dec 16, 2025
Clamping circuit
IND TECH RES INST0 citations51