- 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: 6069
10-year publication summary
|
551
|
543
|
493
|
484
|
503
|
536
|
466
|
392
|
393
|
100
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
1397 |
| Ricoh Company, Ltd. | 13266 |
713 |
| Toshiba TEC Corporation | 3877 |
515 |
| FUJIFILM Business Innovation Corp. | 7395 |
480 |
| Brother Industries, Ltd. | 13000 |
382 |
| Hewlett-Packard Development Company, L.P. | 28538 |
337 |
| Kyocera Document Solutions Inc. | 5295 |
331 |
| Konica Minolta, Inc. | 8349 |
304 |
| Toshiba Corporation | 12017 |
260 |
| Xerox Corporation | 7503 |
143 |
| Sharp Corporation | 10015 |
143 |
| Konica Minolta Business Technologies, Inc. | 1564 |
128 |
| Canon Kabushiki Kaisha | 6884 |
128 |
| Lexmark International, Inc. | 1793 |
126 |
| Oki Electric Industry Co., Ltd. | 1652 |
70 |
| Eastman Kodak Company | 3444 |
66 |
| Sumitomo Electric Fine Polymer, Inc. | 202 |
37 |
| Brother Kogyo Kabushikikaisha | 1709 |
32 |
| Fuji Xerox Co., Ltd. | 195 |
20 |
| Sumitomo Electric Industries, Ltd. | 14131 |
19 |
| Other owners | 438 |