Inventor
HSU CHENG-WEI
TW19 patents
⚠️ This page may combine multiple inventors who share the name “HSU CHENG-WEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
INT UNITED TECHNOLOGY CO LTD
9 patentsUS6494568B2Dec 17, 2002
Ink cartridge with a pressure adjusting device
INT UNITED TECHNOLOGY CO LTD92 citations97
US6367666B1Apr 9, 2002
Ink container with fixed pressure modulating mechanism
INT UNITED TECHNOLOGY CO LTD37 citations91
US6533403B2Mar 18, 2003
Ink reservoir with a pressure adjusting device
INT UNITED TECHNOLOGY CO LTD14 citations83
US6817706B2Nov 16, 2004
Ink storage unit
INT UNITED TECHNOLOGY CO LTD7 citations73
US6527382B2Mar 4, 2003
Ink container with improved ink flow
INT UNITED TECHNOLOGY CO LTD10 citations73
US6910763B2Jun 28, 2005
Ink storage unit
INT UNITED TECHNOLOGY CO LTD2 citations62
US6761442B2Jul 13, 2004
Ink container with improved ink flow
INT UNITED TECHNOLOGY CO LTD4 citations62
US6616272B1Sep 9, 2003
Pressure control device
INT UNITED TECHNOLOGY CO LTD3 citations62
US6764172B1Jul 20, 2004
Air bag placed in a print cartridge and method for manufacturing the same
INT UNITED TECHNOLOGY CO LTD0 citations39
IND TECH RES INST
4 patentsUS6186620B1Feb 13, 2001
Ink pressure control apparatus for ink-jet pens
IND TECH RES INST46 citations91
US6540341B2Apr 1, 2003
Pressure controller for an ink cartridge
IND TECH RES INST18 citations82
US6428153B1Aug 6, 2002
Ink pressure adjustment device for inkjet pen
IND TECH RES INST5 citations62
US6409324B1Jun 25, 2002
Method and apparatus for supplying ink to an printhead
IND TECH RES INST6 citations62