- 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: 1432
10-year publication summary
|
164
|
126
|
162
|
157
|
120
|
101
|
85
|
77
|
71
|
58
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 39660 |
506 |
| Brother Industries, Ltd. | 12966 |
188 |
| Kyocera Document Solutions Inc. | 5544 |
109 |
| FUJIFILM Business Innovation Corp. | 7580 |
92 |
| Ricoh Company, Ltd. | 13198 |
77 |
| Toshiba TEC Corporation | 3783 |
60 |
| Hewlett-Packard Development Company, L.P. | 25910 |
52 |
| Konica Minolta, Inc. | 8701 |
48 |
| Sharp Corporation | 10305 |
40 |
| Canon Kabushiki Kaisha | 7051 |
30 |
| Oki Electric Industry Co., Ltd. | 1596 |
26 |
| Lexmark International, Inc. | 1671 |
18 |
| Xerox Corporation | 7021 |
16 |
| Toshiba Corporation | 12317 |
15 |
| Konica Minolta Business Technologies, Inc. | 1425 |
14 |
| Eastman Kodak Company | 2908 |
10 |
| Zhuhai Pantum Electronics Co., Ltd. | 235 |
9 |
| HP Indigo B.V. | 529 |
9 |
| Landa Labs (2012) Ltd. | 134 |
8 |
| Samsung Electronics Co., Ltd. | 145025 |
5 |
| Other owners | 100 |