Inventor · disambiguated record
Zhen-Hu Chang
Also filed as: CHANG ZHEN · CHANG ZHEN-HU
2 granted patents·5 pending applications·0 citations·filing 2017–2025
23Inventor score
Top patents by PatentIndex Score
7 records- 0154US12168465B2Gearbox for rail vehicle, bogie for rail vehicle and rail vehicleCRRC QINGDAO SIFANG CO LTD·Filed 2020·Granted Dec 17, 2024·0 cites·20 claims
- 0252US2025096105A1Package substrate and fabricating method thereofAALTOSEMI INC·Filed 2024·Application pending·0 cites
- 0352US2025192014A1Electronic package and manufacturing method thereofAALTOSEMI INC·Filed 2024·Application pending·0 cites
- 0444US2025308937A1Manufacturing method of package substrateAALTOSEMI INC·Filed 2025·Application pending·0 cites
- 0543US2025300052A1Semiconductor package and fabricating method thereofAALTOSEMI INC·Filed 2025·Application pending·0 cites
- 0639US2025253261A1Electronic package and manufacturing method thereofAALTOSEMI INC·Filed 2025·Application pending·0 cites
- 0738US10828390B2Biomimetic chitosan filler for preventing capsular contracture and preparation method thereofSHANGHAI HAOHAI BIOLOGICAL TECH CO LTD·Filed 2017·Granted Nov 10, 2020·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →