- All sections
- G - Physics
- G03G - Electrography; electrophotography; magnetography
- G03G 15/20 - Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
Patent holdings for IPC class G03G 15/20
Total number of patents in this class: 5936
10-year publication summary
|
551
|
543
|
493
|
484
|
503
|
536
|
466
|
393
|
395
|
216
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 37031 |
1400 |
| Ricoh Company, Ltd. | 13066 |
708 |
| Toshiba TEC Corporation | 3863 |
512 |
| FUJIFILM Business Innovation Corp. | 7219 |
474 |
| Brother Industries, Ltd. | 12862 |
385 |
| Hewlett-Packard Development Company, L.P. | 27689 |
326 |
| Konica Minolta, Inc. | 8382 |
306 |
| Kyocera Document Solutions Inc. | 5104 |
300 |
| Toshiba Corporation | 11880 |
248 |
| Sharp Corporation | 9668 |
134 |
| Xerox Corporation | 7150 |
127 |
| Canon Kabushiki Kaisha | 6882 |
127 |
| Konica Minolta Business Technologies, Inc. | 1497 |
120 |
| Lexmark International, Inc. | 1730 |
115 |
| Oki Electric Industry Co., Ltd. | 1615 |
70 |
| Eastman Kodak Company | 3228 |
60 |
| Sumitomo Electric Fine Polymer, Inc. | 200 |
36 |
| Brother Kogyo Kabushikikaisha | 1730 |
33 |
| Fuji Xerox Co., Ltd. | 193 |
20 |
| Sumitomo Electric Industries, Ltd. | 14461 |
19 |
| Other owners | 416 |