Ping-Chen Chen
30Patents
5h-index
48Co-inventors
69Inventor score
Filing activity: Mar 31, 2000 → Nov 18, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7158302B2 | Wire grid polarizer with double metal layers | Physics | 40 | Expired |
| US7214360B2 | Carbon nanotubes fabrication and hydrogen production | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6346136B1 | Process for forming metal nanoparticles and fibers | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6927911B2 | Light-guide module for emitting particular polarized light beams | Physics | 9 | Expired |
| US6946112B2 | Method for reversible storage of hydrogen and materials for hydrogen storage | Emerging Cross-Sectional Technologies | 8 | Expired |
| US10061964B2 | Press sheet for fingerprint reader and fingerprint reader | Physics | 5 | Active |
| US9778183B2 | Sensing chip | Emerging Cross-Sectional Technologies | 2 | Active |
| US10699098B2 | Fingerprint recognition device | Physics | 2 | Active |
| US8023080B2 | High transmittance brightness enhanced optical element for LCD by wholly coating process | Physics | 2 | Active |
| US9019494B2 | Surface-enhanced Raman scattering substrate and a trace detection method of a biological and chemical analyte using the same | Physics | 2 | Active |
| US9500592B2 | Surface-enhanced Raman scattering substrate | Physics | 2 | Active |
| US7666388B2 | Multi-metal-nitrogen compounds for use in hydrogen storage materials | Emerging Cross-Sectional Technologies | 1 | Expired |
| US10613256B2 | Biometric device | Physics | 1 | Active |
| US9136413B2 | Package structure and solar cell with the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US9046238B2 | Illumination device | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9391299B2 | Light-extraction element including raspberry-like particles | Emerging Cross-Sectional Technologies | 1 | Active |
| US10147948B2 | Method for fabricating graphene electrode | Emerging Cross-Sectional Technologies | 0 | Active |
| US10046314B2 | Catalyst for ammonia synthesis and ammonia decomposition | Emerging Cross-Sectional Technologies | 0 | Active |
| US11354929B2 | Fingerprint recognition device | Physics | 0 | Active |
| US11113502B2 | Image module and biometric device using the same | Physics | 0 | Active |
| US9328895B2 | Illumination device | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10048582B2 | Photo-imprinting resin composition, photo-imprinting resin film and patterning process | Physics | 0 | Active |
| US9166198B2 | Optical film and light emitting device | Emerging Cross-Sectional Technologies | 0 | Active |
| US11783621B2 | Optical fingerprint imaging device | Electricity | 0 | Active |
| US8961819B2 | High-capacity complex hydrogen storage materials and a process of releasing hydrogen | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.