- All sections
- G - Physics
- G03G - Electrography; electrophotography; magnetography
- G03G 15/01 - Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
Patent holdings for IPC class G03G 15/01
Total number of patents in this class: 1946
10-year publication summary
|
194
|
168
|
146
|
200
|
143
|
139
|
99
|
101
|
97
|
44
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 37031 |
468 |
| Brother Industries, Ltd. | 12862 |
260 |
| Ricoh Company, Ltd. | 13066 |
207 |
| FUJIFILM Business Innovation Corp. | 7219 |
168 |
| Hewlett-Packard Development Company, L.P. | 27689 |
110 |
| Konica Minolta, Inc. | 8382 |
86 |
| Toshiba TEC Corporation | 3863 |
79 |
| Kyocera Document Solutions Inc. | 5104 |
70 |
| Canon Kabushiki Kaisha | 6882 |
57 |
| Konica Minolta Business Technologies, Inc. | 1497 |
48 |
| Toshiba Corporation | 11880 |
46 |
| Oki Electric Industry Co., Ltd. | 1615 |
44 |
| Eastman Kodak Company | 3228 |
41 |
| Sharp Corporation | 9668 |
39 |
| Lexmark International, Inc. | 1730 |
20 |
| Xerox Corporation | 7150 |
19 |
| HP Indigo B.V. | 530 |
18 |
| UI Technologies, Inc. | 75 |
15 |
| Hewlett-Packard Indigo B.V. | 246 |
14 |
| Kyocera Mita Corporation | 245 |
13 |
| Other owners | 124 |