- All sections
- G - Physics
- G03G - Electrography; electrophotography; magnetography
- G03G 15/05 - Apparatus for electrographic processes using a charge pattern for imagewise charging, e.g. photoconductive control screen, optically activated charging means
Patent holdings for IPC class G03G 15/05
Total number of patents in this class: 31
10-year publication summary
|
3
|
5
|
5
|
3
|
2
|
0
|
0
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6218 |
4 |
| FUJIFILM Business Innovation Corp. | 7398 |
4 |
| Canon Inc. | 38016 |
3 |
| Ricoh Company, Ltd. | 13202 |
3 |
| Hewlett-Packard Development Company, L.P. | 27484 |
2 |
| Kyocera Document Solutions Inc. | 5314 |
2 |
| Lab Partners Associates, Inc. | 51 |
2 |
| Samsung Electronics Co., Ltd. | 138320 |
1 |
| Xerox Corporation | 7076 |
1 |
| Brother Industries, Ltd. | 12888 |
1 |
| Toshiba TEC Corporation | 3686 |
1 |
| Lexmark International, Inc. | 1704 |
1 |
| Georgia Tech Research Corporation | 2598 |
1 |
| Fukuoka Technoken Kogyo, Co., Ltd. | 13 |
1 |
| Nuctech Company Limited | 1347 |
1 |
| Sumitomo Riko Company Limited | 1013 |
1 |
| S-printing Solution Co., Ltd. | 51 |
1 |
| HP Indigo B.V. | 529 |
1 |
| Other owners | 0 |