Inventor · disambiguated record
Tzu-Cheng Chang
Also filed as: CHANG TZU-CHENG
11 granted patents·4 pending applications·17 citations·filing 2010–2023
82Inventor score
Files withKINPO ELECT INC10CHANG TZU-CHENG2XYZPRINTING INC2CAL-COMP ELECTRONICS & COMMUNICATIONS COMPANY LTD1
Top patents by PatentIndex Score
15 records- 0183US10046523B2Delta 3D printer and calibrating method for using the sameXYZPRINTING INC·Filed 2016·Granted Aug 14, 2018·3 cites·20 claims
- 0278US11431864B1Duplex scanning deviceKINPO ELECT INC·Filed 2021·Granted Aug 30, 2022·1 cites·10 claims
- 0369US11126134B2Multi-function printer and hinge structureKINPO ELECT INC·Filed 2019·Granted Sep 21, 2021·1 cites·12 claims
- 0468US8240322B2Splash-proof umbrella structureCHANG TZU-CHENG·Filed 2010·Granted Aug 14, 2012·12 cites·2 claims
- 0557US12259239B2Sheet detection device and detection method thereofKINPO ELECT INC·Filed 2023·Granted Mar 25, 2025·0 cites·12 claims
- 0651US12221304B2Sheet detection device and detection method thereofKINPO ELECT INC·Filed 2022·Granted Feb 11, 2025·0 cites·4 claims
- 0747US12015748B2Dual-axle linkage detection structureKINPO ELECT INC·Filed 2021·Granted Jun 18, 2024·0 cites·20 claims
- 0846US10511736B1Document size sensing moduleKINPO ELECT INC·Filed 2018·Granted Dec 17, 2019·0 cites·9 claims
- 0944US11762318B2Automatic detection method for paper sizeCAL COMP ELECTRONICS & COMMUNICATIONS COMPANY LTD·Filed 2021·Granted Sep 19, 2023·0 cites·19 claims
- 1044US10481540B2Scanner coverKINPO ELECT INC·Filed 2017·Granted Nov 19, 2019·0 cites·12 claims
- 1142US10021259B1Scanning device and paper feeding moduleKINPO ELECT INC·Filed 2017·Granted Jul 10, 2018·0 cites·20 claims
- 1242US2021387461A1Printer device capable of adjusting paperKINPO ELECT INC·Filed 2020·Application pending·0 cites
- 1341US2023059286A1Automatic feeding and scanning deviceKINPO ELECT INC·Filed 2021·Application pending·0 cites
- 1439US2017203485A1Delta 3d printerXYZPRINTING INC·Filed 2016·Application pending·0 cites
- 1531US2011273866A1Umbrella with illumination functionCHANG TZU-CHENG·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →