Inventor
YU RONG-HO
TW23 patents
⚠️ This page may combine multiple inventors who share the name “YU RONG-HO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MICROJET TECHNOLOGY CO LTD
16 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
US9611843B2Apr 4, 2017
Micro-gas pressure driving apparatus
MICROJET TECHNOLOGY CO LTD39 citations91
US11454232B2Sep 27, 2022
Micro-electromechanical systems pump
MICROJET TECHNOLOGY CO LTD11 citations85
US11204335B2Dec 21, 2021
Actuating and sensing module
MICROJET TECHNOLOGY CO LTD4 citations73
USD477021SJul 8, 2003
Print cartridge
MICROJET TECHNOLOGY CO LTD9 citations73
US11536260B2Dec 27, 2022
Micro-electromechanical system pump
MICROJET TECHNOLOGY CO LTD2 citations72
US11085554B2Aug 10, 2021
Micro fluid actuator
MICROJET TECHNOLOGY CO LTD4 citations72
US10800653B2Oct 13, 2020
Manufacturing method of micro channel structure
MICROJET TECHNOLOGY CO LTD2 citations62
US6692120B2Feb 17, 2004
Pressure regulation apparatus for ink reservoir
MICROJET TECHNOLOGY CO LTD2 citations62
US10883487B2Jan 5, 2021
Micro-electromechanical fluid control device
MICROJET TECHNOLOGY CO LTD0 citations52
US12005711B2Jun 11, 2024
Manufacturing method of narrow type inkjet print head chip
MICROJET TECHNOLOGY CO LTD0 citations51
US11536394B2Dec 27, 2022
Micro fluid actuator
MICROJET TECHNOLOGY CO LTD0 citations51
US11478794B2Oct 25, 2022
Micro channel structure
MICROJET TECHNOLOGY CO LTD0 citations51
US11440322B2Sep 13, 2022
Narrow type inkjet print head chip
MICROJET TECHNOLOGY CO LTD0 citations51
US11359618B2Jun 14, 2022
Control method of fluid device
MICROJET TECHNOLOGY CO LTD0 citations51
CHEN SHIH CHANG
3 patentsUS8105057B2Jan 31, 2012
Fluid transportation device having multiple double-chamber actuating structures
CHEN SHIH CHANG11 citations82
US8157549B2Apr 17, 2012
Multi-channel fluid conveying apparatus
CHEN SHIH CHANG11 citations81
US8441169B2May 14, 2013
Voltage converter and driving system using such voltage converter
CHEN SHIH CHANG2 citations56