- 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: 6386
10-year publication summary
|
574
|
551
|
543
|
493
|
484
|
503
|
535
|
463
|
384
|
100
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36837 |
1376 |
| Ricoh Company, Ltd. | 14097 |
741 |
| Toshiba TEC Corporation | 3910 |
506 |
| FUJIFILM Business Innovation Corp. | 7548 |
486 |
| Brother Industries, Ltd. | 13288 |
383 |
| Kyocera Document Solutions Inc. | 5750 |
382 |
| Hewlett-Packard Development Company, L.P. | 29764 |
355 |
| Konica Minolta, Inc. | 8207 |
312 |
| Toshiba Corporation | 12041 |
287 |
| Xerox Corporation | 6818 |
196 |
| Sharp Corporation | 11072 |
168 |
| Konica Minolta Business Technologies, Inc. | 1728 |
145 |
| Lexmark International, Inc. | 1974 |
134 |
| Canon Kabushiki Kaisha | 6680 |
128 |
| Eastman Kodak Company | 4130 |
83 |
| Oki Electric Industry Co., Ltd. | 1737 |
82 |
| Sumitomo Electric Fine Polymer, Inc. | 196 |
36 |
| Oki Data Corporation | 319 |
35 |
| Brother Kogyo Kabushikikaisha | 1657 |
29 |
| Matsushita Electric Industrial Co., Ltd. | 7154 |
26 |
| Other owners | 496 |