- All sections
- G - Physics
- G03G - Electrographyelectrophotographymagnetography
- G03G 15/02 - Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitisingCorona discharge devices
Patent holdings for IPC class G03G 15/02
Total number of patents in this class: 1708
10-year publication summary
|
145
|
147
|
163
|
154
|
116
|
105
|
93
|
97
|
97
|
36
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 39206 |
513 |
| FUJIFILM Business Innovation Corp. | 7568 |
215 |
| Canon Kabushiki Kaisha | 7040 |
140 |
| Hewlett-Packard Development Company, L.P. | 25991 |
96 |
| Kyocera Document Solutions Inc. | 5489 |
84 |
| Brother Industries, Ltd. | 12942 |
83 |
| Ricoh Company, Ltd. | 13205 |
69 |
| Sumitomo Riko Company Limited | 1044 |
61 |
| Konica Minolta, Inc. | 8643 |
56 |
| Xerox Corporation | 7038 |
39 |
| Sharp Corporation | 10286 |
33 |
| NOK Corporation | 2211 |
31 |
| Toshiba TEC Corporation | 3774 |
25 |
| Lexmark International, Inc. | 1691 |
23 |
| Bridgestone Corporation | 7200 |
21 |
| HP Indigo B.V. | 529 |
21 |
| Oki Electric Industry Co., Ltd. | 1597 |
15 |
| Sumitomo Rubber Industries, Ltd. | 4466 |
13 |
| Toshiba Corporation | 12261 |
12 |
| Konica Minolta Business Technologies, Inc. | 1446 |
11 |
| Other owners | 147 |