Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
US-12449740-B2 · Oct 21, 2025 · US
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Sensitisors or activators, e.g. dyestuffs (G03G5/12 takes precedence)
Sensitisors or activators, e.g. dyestuffs (G03G5/12 takes precedence) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G03G5/09 |
| Official title | Sensitisors or activators, e.g. dyestuffs (G03G5/12 takes precedence) |
| Display label | Sensitisors or activators, e.g. dyestuffs (G03G5/12 takes precedence) |
| Total patents | 16 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 1 |
| 2023 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrophotographic photosensitive member, process cartridge, and image forming apparatus
US-2025036073-A1 · Jan 30, 2025 · US
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
US-2023408939-A1 · Dec 21, 2023 · US
Electroluminescent cells
US-11696378-B2 · Jul 4, 2023 · US
Electroluminescent Cells
US-2023122096-A1 · Apr 20, 2023 · US
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
US-2023093328-A1 · Mar 23, 2023 · US
Member for electrophotography, process cartridge and electrophotographic apparatus
US-10969709-B2 · Apr 6, 2021 · US
Electrophotographic member, process cartridge and electrophotographic image forming apparatus
US-10539891-B1 · Jan 21, 2020 · US
Electrophotographic member, process cartridge, and electrophotographic image forming apparatus
US-2020004170-A1 · Jan 2, 2020 · US
Member for electrophotography, process cartridge and electrophotographic apparatus
US-2019324383-A1 · Oct 24, 2019 · US
Electrophotographic photosensitive member, process cartridge, and image forming apparatus
US-10372047-B2 · Aug 6, 2019 · US
Electrophotographic photosensitive member, process cartridge, and image forming apparatus
US-2018215183-A1 · Aug 2, 2018 · US
Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus and phthalocyanine crystal
US-9217938-B2 · Dec 22, 2015 · US
Electrophotographic photosensitive member and image forming apparatus including electrophotographic photosensitive member
US-9158264-B2 · Oct 13, 2015 · US
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
US-9104098-B2 · Aug 11, 2015 · US
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
US-9086640-B2 · Jul 21, 2015 · US