- All sections
- G - Physics
- G03G - Electrography; electrophotography; magnetography
- G03G 15/02 - Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
Patent holdings for IPC class G03G 15/02
Total number of patents in this class: 1665
10-year publication summary
|
126
|
145
|
147
|
163
|
154
|
116
|
105
|
93
|
97
|
60
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 37077 |
489 |
| FUJIFILM Business Innovation Corp. | 7240 |
196 |
| Canon Kabushiki Kaisha | 6882 |
137 |
| Hewlett-Packard Development Company, L.P. | 27690 |
99 |
| Brother Industries, Ltd. | 12859 |
84 |
| Kyocera Document Solutions Inc. | 5117 |
79 |
| Ricoh Company, Ltd. | 13075 |
72 |
| Sumitomo Riko Company Limited | 982 |
57 |
| Konica Minolta, Inc. | 8391 |
56 |
| Xerox Corporation | 7150 |
40 |
| Sharp Corporation | 9677 |
37 |
| NOK Corporation | 2130 |
31 |
| Bridgestone Corporation | 7128 |
23 |
| Lexmark International, Inc. | 1731 |
23 |
| Toshiba TEC Corporation | 3622 |
21 |
| HP Indigo B.V. | 530 |
21 |
| Oki Electric Industry Co., Ltd. | 1613 |
15 |
| Sumitomo Rubber Industries, Ltd. | 4376 |
13 |
| Toshiba Corporation | 11850 |
12 |
| Konica Minolta Business Technologies, Inc. | 1497 |
12 |
| Other owners | 148 |