- All sections
- G - Physics
- G03G - Electrography; electrophotography; magnetography
- G03G 15/23 - Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups specially adapted for copying both sides of an original or for copying on both sides of a recording or image-receiving material
Patent holdings for IPC class G03G 15/23
Total number of patents in this class: 318
10-year publication summary
|
45
|
36
|
54
|
39
|
31
|
19
|
20
|
14
|
12
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
112 |
| Brother Industries, Ltd. | 13000 |
54 |
| Konica Minolta, Inc. | 8349 |
25 |
| Kyocera Document Solutions Inc. | 5295 |
19 |
| Ricoh Company, Ltd. | 13266 |
16 |
| Hewlett-Packard Development Company, L.P. | 28538 |
14 |
| FUJIFILM Business Innovation Corp. | 7395 |
13 |
| Eastman Kodak Company | 3444 |
9 |
| Sharp Corporation | 10015 |
8 |
| Toshiba TEC Corporation | 3877 |
4 |
| Konica Minolta Business Technologies, Inc. | 1564 |
4 |
| Océ Holding B.V. | 108 |
4 |
| Toshiba Corporation | 12017 |
3 |
| Oce-Technologies B.V. | 475 |
3 |
| HP Indigo B.V. | 540 |
3 |
| Lexmark International, Inc. | 1793 |
2 |
| Oki Data Corporation | 146 |
2 |
| Avision Inc. | 281 |
2 |
| Iconex, LLC | 179 |
2 |
| Landa Corporation Ltd. | 223 |
2 |
| Other owners | 17 |