- 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: 6230
10-year publication summary
|
493
|
484
|
503
|
536
|
466
|
393
|
401
|
342
|
307
|
203
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 43941 |
1556 |
| Ricoh Company, Ltd. | 13337 |
734 |
| FUJIFILM Business Innovation Corp. | 7949 |
565 |
| Toshiba TEC Corporation | 3905 |
518 |
| Brother Industries, Ltd. | 12823 |
412 |
| Kyocera Document Solutions Inc. | 6274 |
364 |
| Konica Minolta, Inc. | 9134 |
333 |
| Hewlett-Packard Development Company, L.P. | 25175 |
307 |
| Toshiba Corporation | 12577 |
230 |
| Sharp Corporation | 10569 |
149 |
| Canon Kabushiki Kaisha | 7351 |
131 |
| Konica Minolta Business Technologies, Inc. | 1315 |
109 |
| Xerox Corporation | 4388 |
104 |
| Lexmark International, Inc. | 1536 |
93 |
| Oki Electric Industry Co., Ltd. | 1569 |
73 |
| Eastman Kodak Company | 2597 |
44 |
| Brother Kogyo Kabushikikaisha | 1806 |
37 |
| Sumitomo Electric Fine Polymer, Inc. | 202 |
33 |
| Fuji Xerox Co., Ltd. | 189 |
20 |
| Sumitomo Electric Industries, Ltd. | 16396 |
19 |
| Other owners | 399 |