- 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: 132
10-year publication summary
|
8
|
4
|
8
|
5
|
2
|
3
|
1
|
2
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ricoh Company, Ltd. | 13216 |
24 |
| Xerox Corporation | 7076 |
14 |
| Powdertech Co., Ltd. | 137 |
11 |
| Dowa Electronics Materials Co., Ltd. | 621 |
10 |
| Dowa IP Creation Co., Ltd. | 59 |
10 |
| Canon Kabushiki Kaisha | 6938 |
9 |
| FUJIFILM Business Innovation Corp. | 7426 |
8 |
| Kyocera Document Solutions Inc. | 5366 |
6 |
| Hewlett-Packard Development Company, L.P. | 27461 |
5 |
| Eastman Kodak Company | 3033 |
5 |
| Canon Inc. | 38148 |
4 |
| Sharp Corporation | 10191 |
4 |
| Sharp Kabushiki Kaisha | 18867 |
3 |
| Konica Minolta, Inc. | 8535 |
2 |
| Hubei Dinglong Chemical Co., Ltd. | 4 |
2 |
| FUJIFILM Corporation | 28805 |
1 |
| Konica Minolta Business Technologies, Inc. | 1464 |
1 |
| Ceraloc Innovation AB | 167 |
1 |
| Dowa Mining Co., Ltd. | 2 |
1 |
| Floor Iptech AB | 12 |
1 |
| Other owners | 10 |