- All sections
- G - Physics
- G03G - Electrographyelectrophotographymagnetography
- G03G 15/30 - Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups in which projection is obtained by line scanning in which projection is formed on a drum
Patent holdings for IPC class G03G 15/30
Total number of patents in this class: 15
10-year publication summary
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0
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3
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2
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1
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2
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2
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1
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1
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 42633 |
6 |
| Brother Industries, Ltd. | 12858 |
3 |
| Ricoh Company, Ltd. | 13309 |
2 |
| Hewlett-Packard Development Company, L.P. | 25317 |
1 |
| Sharp Corporation | 10484 |
1 |
| Kyocera Document Solutions Inc. | 6134 |
1 |
| FUJIFILM Business Innovation Corp. | 7853 |
1 |
| Other owners | 0 |