- 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: 1350
10-year publication summary
|
134
|
162
|
126
|
161
|
157
|
119
|
101
|
79
|
67
|
17
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
437 |
| Brother Industries, Ltd. | 13000 |
185 |
| Kyocera Document Solutions Inc. | 5295 |
105 |
| FUJIFILM Business Innovation Corp. | 7395 |
92 |
| Ricoh Company, Ltd. | 13266 |
80 |
| Hewlett-Packard Development Company, L.P. | 28538 |
55 |
| Toshiba TEC Corporation | 3877 |
55 |
| Konica Minolta, Inc. | 8349 |
49 |
| Sharp Corporation | 10015 |
35 |
| Canon Kabushiki Kaisha | 6884 |
30 |
| Oki Electric Industry Co., Ltd. | 1652 |
25 |
| Lexmark International, Inc. | 1793 |
19 |
| Toshiba Corporation | 12017 |
17 |
| Xerox Corporation | 7503 |
16 |
| Konica Minolta Business Technologies, Inc. | 1564 |
14 |
| Eastman Kodak Company | 3444 |
10 |
| Zhuhai Pantum Electronics Co., Ltd. | 179 |
9 |
| HP Indigo B.V. | 540 |
9 |
| Landa Labs (2012) Ltd. | 131 |
8 |
| Samsung Electronics Co., Ltd. | 131630 |
5 |
| Other owners | 95 |