Inventor · disambiguated record
Hao-Jhen Chang
Also filed as: CHANG HAO-JHEN
1 granted patent·1 pending application·2 citations·filing 2013–2016
18Inventor score
Files withMETAL IND RES & DEV CT2
Top patents by PatentIndex Score
2 records- 0164US9749621B2Calibration plate for calibrating a plurality of image capturing devices and method for calibrating a plurality of image capturing devicesMETAL IND RES & DEV CT·Filed 2013·Granted Aug 29, 2017·2 cites·14 claims
- 0236US2018093365A1Vacuum device and multistage pressure-switching device thereofMETAL IND RES & DEV CT·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →