Inventor · disambiguated record
Jui-Feng Chang
Also filed as: CHANG JUI-FENG
13 granted patents·1 pending application·104 citations·filing 1996–2016
89Inventor score
Top patents by PatentIndex Score
14 records- 0191US9278474B1Material level detecting mechanism of three-dimensional systemXYZPRINTING INC·Filed 2014·Granted Mar 8, 2016·14 cites·10 claims
- 0287US9073366B1Rotational printing head module having muti-cartridgeXYZPRINTING INC·Filed 2014·Granted Jul 7, 2015·44 cites·10 claims
- 0383US9358728B13D printerXYZPRINTING INC·Filed 2014·Granted Jun 7, 2016·7 cites·12 claims
- 0483US9278536B2Printing head moduleXYZPRINTING INC·Filed 2014·Granted Mar 8, 2016·4 cites·10 claims
- 0572US9839234B2Three-dimensional printing deviceXYZPRINTING INC·Filed 2015·Granted Dec 12, 2017·1 cites·11 claims
- 0666US9895872B2Three-dimensional printing apparatusXYZPRINTING INC·Filed 2014·Granted Feb 20, 2018·1 cites·10 claims
- 0758US9854829B2Three-dimensional printing methodXYZPRINTING INC·Filed 2016·Granted Jan 2, 2018·0 cites·11 claims
- 0858US7130274B2Method for detecting connection polarity of network transmission lines and associated detection circuitVIA TECH INC·Filed 2002·Granted Oct 31, 2006·6 cites·11 claims
- 0951US5642794ARatchet mechanismFiled 1996·Granted Jul 1, 1997·21 cites·5 claims
- 1047US2015158254A1Cleaning deviceXYZPRINTING INC·Filed 2014·Application pending·0 cites
- 1145US9656425B2Three-dimensional printing apparatusXYZPRINTING INC·Filed 2015·Granted May 23, 2017·0 cites·15 claims
- 1243US9849662B2Lead screw guide assembly and three-dimensional printing apparatusXYZPRINTING INC·Filed 2015·Granted Dec 26, 2017·0 cites·19 claims
- 1340US9505175B2Three-dimensional printing deviceXYZPRINTING INC·Filed 2015·Granted Nov 29, 2016·0 cites·8 claims
- 1437US6633417B1Fax machine with a paper/document common output pathKINPO ELECT INC·Filed 1999·Granted Oct 14, 2003·6 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →