- All sections
- G - Physics
- G03G - Electrographyelectrophotographymagnetography
- 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: 126
10-year publication summary
|
4
|
8
|
5
|
2
|
3
|
1
|
2
|
2
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ricoh Company, Ltd. | 13339 |
24 |
| Xerox Corporation | 5885 |
11 |
| Dowa Electronics Materials Co., Ltd. | 639 |
10 |
| Dowa IP Creation Co., Ltd. | 59 |
10 |
| Powdertech Co., Ltd. | 137 |
10 |
| Canon Kabushiki Kaisha | 7200 |
8 |
| FUJIFILM Business Innovation Corp. | 7774 |
8 |
| Kyocera Document Solutions Inc. | 5924 |
7 |
| Hewlett-Packard Development Company, L.P. | 25454 |
5 |
| Eastman Kodak Company | 2737 |
5 |
| Canon Inc. | 41672 |
4 |
| Sharp Corporation | 10368 |
4 |
| Konica Minolta, Inc. | 8964 |
3 |
| Sharp Kabushiki Kaisha | 18640 |
3 |
| Hubei Dinglong Chemical Co., Ltd. | 4 |
2 |
| FUJIFILM Corporation | 30034 |
1 |
| Konica Minolta Business Technologies, Inc. | 1365 |
1 |
| Ceraloc Innovation AB | 172 |
1 |
| Floor Iptech AB | 12 |
1 |
| Hodogaya Chemical Co., Ltd. | 433 |
1 |
| Other owners | 7 |