- 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: 1383
10-year publication summary
|
103
|
134
|
162
|
126
|
161
|
157
|
116
|
102
|
66
|
24
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36837 |
421 |
| Brother Industries, Ltd. | 13288 |
191 |
| Kyocera Document Solutions Inc. | 5750 |
112 |
| Ricoh Company, Ltd. | 14097 |
92 |
| FUJIFILM Business Innovation Corp. | 7548 |
88 |
| Hewlett-Packard Development Company, L.P. | 29764 |
61 |
| Toshiba TEC Corporation | 3910 |
57 |
| Konica Minolta, Inc. | 8207 |
51 |
| Sharp Corporation | 11072 |
38 |
| Canon Kabushiki Kaisha | 6680 |
31 |
| Oki Electric Industry Co., Ltd. | 1737 |
26 |
| Lexmark International, Inc. | 1974 |
20 |
| Xerox Corporation | 6818 |
17 |
| Toshiba Corporation | 12041 |
17 |
| Konica Minolta Business Technologies, Inc. | 1728 |
14 |
| Oki Data Corporation | 319 |
11 |
| HP Indigo B.V. | 580 |
10 |
| Eastman Kodak Company | 4130 |
9 |
| Landa Labs (2012) Ltd. | 122 |
8 |
| Zhuhai Pantum Electronics Co., Ltd. | 136 |
8 |
| Other owners | 101 |