- All sections
- G - Physics
- G03G - Electrographyelectrophotographymagnetography
- G03G 9/083 - Magnetic toner particles
Patent holdings for IPC class G03G 9/083
Total number of patents in this class: 202
10-year publication summary
|
13
|
14
|
13
|
21
|
12
|
14
|
8
|
5
|
5
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 43768 |
81 |
| Canon Kabushiki Kaisha | 7307 |
25 |
| Kyocera Document Solutions Inc. | 6242 |
19 |
| FUJIFILM Business Innovation Corp. | 7916 |
17 |
| Xerox Corporation | 4394 |
9 |
| Nittetsu Mining Co., Ltd. | 31 |
6 |
| Hewlett-Packard Development Company, L.P. | 25216 |
5 |
| Powdertech Co., Ltd. | 138 |
5 |
| Ricoh Company, Ltd. | 13346 |
4 |
| Konica Minolta, Inc. | 9116 |
4 |
| Toda Kogyo Corporation | 327 |
4 |
| Eastman Kodak Company | 2607 |
2 |
| Toshiba TEC Corporation | 3902 |
2 |
| Zeon Corporation | 4145 |
2 |
| PhosMega Co., Ltd. | 10 |
2 |
| Centre National de La Recherche Scientifique | 11016 |
1 |
| Corning Incorporated | 10500 |
1 |
| Kao Corporation | 5073 |
1 |
| Dowa Electronics Materials Co., Ltd. | 636 |
1 |
| Hewlett-Packard Indigo B.V. | 246 |
1 |
| Other owners | 10 |