- All sections
- G - Physics
- G03G - Electrography; electrophotography; magnetography
- G03G 15/043 - Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for controlling illumination or exposure
Patent holdings for IPC class G03G 15/043
Total number of patents in this class: 771
10-year publication summary
|
132
|
121
|
112
|
113
|
93
|
62
|
46
|
58
|
53
|
19
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
346 |
| Ricoh Company, Ltd. | 13266 |
57 |
| Konica Minolta, Inc. | 8349 |
54 |
| Kyocera Document Solutions Inc. | 5295 |
48 |
| Toshiba TEC Corporation | 3877 |
45 |
| Brother Industries, Ltd. | 13000 |
40 |
| Hewlett-Packard Development Company, L.P. | 28538 |
35 |
| FUJIFILM Business Innovation Corp. | 7395 |
25 |
| Sharp Corporation | 10015 |
21 |
| Toshiba Corporation | 12017 |
17 |
| Canon Kabushiki Kaisha | 6884 |
10 |
| Eastman Kodak Company | 3444 |
9 |
| HP Indigo B.V. | 540 |
9 |
| Oki Electric Industry Co., Ltd. | 1652 |
8 |
| Zhuhai Pantum Electronics Co., Ltd. | 179 |
8 |
| Lexmark International, Inc. | 1793 |
6 |
| Xerox Corporation | 7503 |
5 |
| Konica Minolta Business Technologies, Inc. | 1564 |
3 |
| Landa Labs (2012) Ltd. | 131 |
3 |
| HP Printing Korea Co., Ltd. | 187 |
3 |
| Other owners | 19 |