- All sections
- G - Physics
- G03G - Electrographyelectrophotographymagnetography
- 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: 6039
10-year publication summary
|
543
|
493
|
484
|
503
|
536
|
466
|
394
|
400
|
337
|
122
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 39160 |
1448 |
| Ricoh Company, Ltd. | 13209 |
725 |
| Toshiba TEC Corporation | 3767 |
522 |
| FUJIFILM Business Innovation Corp. | 7567 |
516 |
| Brother Industries, Ltd. | 12945 |
391 |
| Hewlett-Packard Development Company, L.P. | 26001 |
321 |
| Kyocera Document Solutions Inc. | 5480 |
316 |
| Konica Minolta, Inc. | 8640 |
312 |
| Toshiba Corporation | 12253 |
241 |
| Sharp Corporation | 10277 |
141 |
| Canon Kabushiki Kaisha | 7046 |
126 |
| Xerox Corporation | 7041 |
121 |
| Konica Minolta Business Technologies, Inc. | 1447 |
118 |
| Lexmark International, Inc. | 1692 |
110 |
| Oki Electric Industry Co., Ltd. | 1598 |
71 |
| Eastman Kodak Company | 2942 |
50 |
| Sumitomo Electric Fine Polymer, Inc. | 201 |
34 |
| Brother Kogyo Kabushikikaisha | 1748 |
33 |
| Fuji Xerox Co., Ltd. | 191 |
20 |
| Sumitomo Electric Industries, Ltd. | 15255 |
19 |
| Other owners | 404 |