- 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: 1986
10-year publication summary
|
194
|
168
|
146
|
200
|
143
|
139
|
98
|
101
|
96
|
24
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
470 |
| Brother Industries, Ltd. | 13000 |
261 |
| Ricoh Company, Ltd. | 13266 |
217 |
| FUJIFILM Business Innovation Corp. | 7395 |
172 |
| Hewlett-Packard Development Company, L.P. | 28538 |
107 |
| Konica Minolta, Inc. | 8349 |
88 |
| Toshiba TEC Corporation | 3877 |
81 |
| Kyocera Document Solutions Inc. | 5295 |
74 |
| Canon Kabushiki Kaisha | 6884 |
58 |
| Toshiba Corporation | 12017 |
49 |
| Konica Minolta Business Technologies, Inc. | 1564 |
48 |
| Oki Electric Industry Co., Ltd. | 1652 |
44 |
| Eastman Kodak Company | 3444 |
43 |
| Sharp Corporation | 10015 |
41 |
| Xerox Corporation | 7503 |
24 |
| Lexmark International, Inc. | 1793 |
22 |
| HP Indigo B.V. | 540 |
18 |
| Hewlett-Packard Indigo B.V. | 255 |
15 |
| UI Technologies, Inc. | 72 |
15 |
| Kyocera Mita Corporation | 268 |
13 |
| Other owners | 126 |