- All sections
- G - Physics
- G03G - Electrographyelectrophotographymagnetography
- 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: 2027
10-year publication summary
|
166
|
146
|
198
|
143
|
137
|
98
|
100
|
106
|
108
|
90
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 40216 |
513 |
| Brother Industries, Ltd. | 12945 |
241 |
| Ricoh Company, Ltd. | 13279 |
221 |
| FUJIFILM Business Innovation Corp. | 7611 |
187 |
| Hewlett-Packard Development Company, L.P. | 25841 |
109 |
| Konica Minolta, Inc. | 8766 |
98 |
| Kyocera Document Solutions Inc. | 5666 |
95 |
| Toshiba TEC Corporation | 3803 |
79 |
| Canon Kabushiki Kaisha | 7066 |
56 |
| Konica Minolta Business Technologies, Inc. | 1407 |
47 |
| Oki Electric Industry Co., Ltd. | 1591 |
45 |
| Toshiba Corporation | 12383 |
44 |
| Sharp Corporation | 10267 |
38 |
| Eastman Kodak Company | 2864 |
38 |
| Lexmark International, Inc. | 1665 |
21 |
| Xerox Corporation | 6998 |
19 |
| HP Indigo B.V. | 529 |
18 |
| UI Technologies, Inc. | 74 |
16 |
| Hewlett-Packard Indigo B.V. | 246 |
14 |
| Brother Kogyo Kabushikikaisha | 1765 |
12 |
| Other owners | 116 |