- 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: 2131
10-year publication summary
|
146
|
200
|
143
|
139
|
99
|
100
|
107
|
112
|
160
|
116
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 44134 |
603 |
| Brother Industries, Ltd. | 12836 |
227 |
| Ricoh Company, Ltd. | 13334 |
219 |
| FUJIFILM Business Innovation Corp. | 7970 |
205 |
| Kyocera Document Solutions Inc. | 6323 |
123 |
| Konica Minolta, Inc. | 9159 |
106 |
| Hewlett-Packard Development Company, L.P. | 25174 |
100 |
| Toshiba TEC Corporation | 3909 |
77 |
| Canon Kabushiki Kaisha | 7369 |
55 |
| Oki Electric Industry Co., Ltd. | 1574 |
44 |
| Toshiba Corporation | 12625 |
42 |
| Konica Minolta Business Technologies, Inc. | 1314 |
42 |
| Sharp Corporation | 10847 |
37 |
| Eastman Kodak Company | 2586 |
36 |
| Lexmark International, Inc. | 1534 |
20 |
| HP Indigo B.V. | 529 |
18 |
| Xerox Corporation | 4386 |
17 |
| UI Technologies, Inc. | 74 |
16 |
| Hewlett-Packard Indigo B.V. | 246 |
14 |
| Brother Kogyo Kabushikikaisha | 1805 |
13 |
| Other owners | 117 |