- All sections
- G - Physics
- G03G - Electrography; electrophotography; magnetography
- G03G 9/10 - Developers with toner particles characterised by carrier particles
Patent holdings for IPC class G03G 9/10
Total number of patents in this class: 134
10-year publication summary
|
14
|
8
|
4
|
8
|
5
|
2
|
3
|
1
|
2
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ricoh Company, Ltd. | 13266 |
25 |
| Xerox Corporation | 7503 |
14 |
| Powdertech Co., Ltd. | 132 |
11 |
| Dowa Electronics Materials Co., Ltd. | 610 |
10 |
| Dowa IP Creation Co., Ltd. | 58 |
10 |
| Canon Kabushiki Kaisha | 6884 |
9 |
| FUJIFILM Business Innovation Corp. | 7395 |
8 |
| Kyocera Document Solutions Inc. | 5295 |
6 |
| Canon Inc. | 36841 |
5 |
| Hewlett-Packard Development Company, L.P. | 28538 |
5 |
| Eastman Kodak Company | 3444 |
5 |
| Sharp Corporation | 10015 |
4 |
| Sharp Kabushiki Kaisha | 18957 |
3 |
| Konica Minolta, Inc. | 8349 |
2 |
| Hubei Dinglong Chemical Co., Ltd. | 4 |
2 |
| FUJIFILM Corporation | 27102 |
1 |
| Konica Minolta Business Technologies, Inc. | 1564 |
1 |
| Ceraloc Innovation AB | 156 |
1 |
| Dowa Mining Co., Ltd. | 5 |
1 |
| Floor Iptech AB | 12 |
1 |
| Other owners | 10 |