- All sections
- G - Physics
- G03G - Electrography; electrophotography; magnetography
- G03G 15/05 - Apparatus for electrographic processes using a charge pattern for imagewise charging, e.g. photoconductive control screen, optically activated charging means
Patent holdings for IPC class G03G 15/05
Total number of patents in this class: 30
10-year publication summary
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1
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3
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5
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5
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3
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2
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0
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0
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0
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
4 |
| FUJIFILM Business Innovation Corp. | 7395 |
4 |
| Canon Inc. | 36841 |
3 |
| Ricoh Company, Ltd. | 13266 |
3 |
| Hewlett-Packard Development Company, L.P. | 28538 |
2 |
| Lab Partners Associates, Inc. | 52 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Xerox Corporation | 7503 |
1 |
| Brother Industries, Ltd. | 13000 |
1 |
| Lexmark International, Inc. | 1793 |
1 |
| Kyocera Document Solutions Inc. | 5295 |
1 |
| Georgia Tech Research Corporation | 2453 |
1 |
| Fairchild Imaging | 7 |
1 |
| Fukuoka Technoken Kogyo, Co., Ltd. | 16 |
1 |
| Nuctech Company Limited | 1275 |
1 |
| Sumitomo Riko Company Limited | 962 |
1 |
| S-printing Solution Co., Ltd. | 51 |
1 |
| HP Indigo B.V. | 540 |
1 |
| Other owners | 0 |