Assignee
CHENG CHEN-HSING
TW·3 granted patents·4 citations·filing 2009–2010
Top patents by PatentIndex Score
3 records- 0173US8439490B2Apparatus for regulating air pressure in ink tank and ink-supplying system having the sameCHENG CHEN-HSING·Filed 2010·Granted May 14, 2013·2 cites·1 claims
- 0253US8246131B2Inkjet printerCHENG CHEN-HSING·Filed 2009·Granted Aug 21, 2012·1 cites·16 claims
- 0350US8403286B2Three-dimensional printing deviceCHENG CHEN-HSING·Filed 2010·Granted Mar 26, 2013·1 cites·3 claims
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