- 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: 6076
10-year publication summary
|
542
|
492
|
481
|
503
|
535
|
466
|
393
|
402
|
337
|
222
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 40352 |
1472 |
| Ricoh Company, Ltd. | 13316 |
734 |
| FUJIFILM Business Innovation Corp. | 7637 |
526 |
| Toshiba TEC Corporation | 3810 |
520 |
| Brother Industries, Ltd. | 12959 |
404 |
| Kyocera Document Solutions Inc. | 5693 |
329 |
| Hewlett-Packard Development Company, L.P. | 25813 |
317 |
| Konica Minolta, Inc. | 8784 |
316 |
| Toshiba Corporation | 12472 |
238 |
| Sharp Corporation | 10274 |
142 |
| Canon Kabushiki Kaisha | 7069 |
122 |
| Xerox Corporation | 6986 |
117 |
| Konica Minolta Business Technologies, Inc. | 1403 |
112 |
| Lexmark International, Inc. | 1665 |
103 |
| Oki Electric Industry Co., Ltd. | 1589 |
71 |
| Eastman Kodak Company | 2846 |
49 |
| Sumitomo Electric Fine Polymer, Inc. | 201 |
34 |
| Brother Kogyo Kabushikikaisha | 1774 |
34 |
| Fuji Xerox Co., Ltd. | 191 |
20 |
| Sumitomo Electric Industries, Ltd. | 15593 |
19 |
| Other owners | 397 |