- All sections
- G - Physics
- G03G - Electrographyelectrophotographymagnetography
- 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: 1512
10-year publication summary
|
125
|
157
|
155
|
117
|
101
|
81
|
76
|
78
|
132
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 42051 |
569 |
| Brother Industries, Ltd. | 12897 |
183 |
| Kyocera Document Solutions Inc. | 6007 |
118 |
| FUJIFILM Business Innovation Corp. | 7844 |
96 |
| Ricoh Company, Ltd. | 13310 |
74 |
| Toshiba TEC Corporation | 3889 |
62 |
| Hewlett-Packard Development Company, L.P. | 25415 |
53 |
| Sharp Corporation | 10421 |
52 |
| Konica Minolta, Inc. | 8999 |
49 |
| Canon Kabushiki Kaisha | 7205 |
31 |
| Oki Electric Industry Co., Ltd. | 1583 |
26 |
| Lexmark International, Inc. | 1585 |
18 |
| Xerox Corporation | 5723 |
17 |
| Toshiba Corporation | 12708 |
15 |
| Konica Minolta Business Technologies, Inc. | 1358 |
13 |
| Eastman Kodak Company | 2707 |
10 |
| Zhuhai Pantum Electronics Co., Ltd. | 249 |
10 |
| HP Indigo B.V. | 529 |
9 |
| Landa Labs (2012) Ltd. | 134 |
8 |
| Huawei Technologies Co., Ltd. | 119240 |
6 |
| Other owners | 93 |