- All sections
- G - Physics
- G03G - Electrography; electrophotography; magnetography
- G03G 15/04 - Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
Patent holdings for IPC class G03G 15/04
Total number of patents in this class: 1333
10-year publication summary
|
134
|
162
|
126
|
161
|
157
|
119
|
101
|
81
|
68
|
35
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 37031 |
438 |
| Brother Industries, Ltd. | 12862 |
185 |
| Kyocera Document Solutions Inc. | 5104 |
101 |
| FUJIFILM Business Innovation Corp. | 7219 |
91 |
| Ricoh Company, Ltd. | 13066 |
77 |
| Toshiba TEC Corporation | 3863 |
55 |
| Hewlett-Packard Development Company, L.P. | 27689 |
53 |
| Konica Minolta, Inc. | 8382 |
47 |
| Sharp Corporation | 9668 |
35 |
| Canon Kabushiki Kaisha | 6882 |
29 |
| Oki Electric Industry Co., Ltd. | 1615 |
25 |
| Lexmark International, Inc. | 1730 |
18 |
| Xerox Corporation | 7150 |
16 |
| Toshiba Corporation | 11880 |
15 |
| Konica Minolta Business Technologies, Inc. | 1497 |
14 |
| Eastman Kodak Company | 3228 |
10 |
| Zhuhai Pantum Electronics Co., Ltd. | 196 |
9 |
| HP Indigo B.V. | 530 |
9 |
| Landa Labs (2012) Ltd. | 134 |
8 |
| Samsung Electronics Co., Ltd. | 135249 |
5 |
| Other owners | 93 |