- 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: 198
10-year publication summary
|
13
|
13
|
14
|
13
|
21
|
12
|
14
|
7
|
5
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 39365 |
78 |
| Canon Kabushiki Kaisha | 7041 |
27 |
| FUJIFILM Business Innovation Corp. | 7570 |
15 |
| Kyocera Document Solutions Inc. | 5500 |
13 |
| Xerox Corporation | 7028 |
11 |
| Hewlett-Packard Development Company, L.P. | 25972 |
5 |
| Nittetsu Mining Co., Ltd. | 28 |
5 |
| Powdertech Co., Ltd. | 136 |
5 |
| Ricoh Company, Ltd. | 13215 |
4 |
| Konica Minolta, Inc. | 8659 |
4 |
| Toda Kogyo Corporation | 338 |
4 |
| Eastman Kodak Company | 2924 |
2 |
| Toshiba TEC Corporation | 3781 |
2 |
| Zeon Corporation | 4071 |
2 |
| PhosMega Co., Ltd. | 10 |
2 |
| Centre National de La Recherche Scientifique | 10311 |
1 |
| Matsushita Electric Industrial Co., Ltd. | 1871 |
1 |
| Corning Incorporated | 10232 |
1 |
| Kao Corporation | 4941 |
1 |
| Kyocera Mita Corporation | 217 |
1 |
| Other owners | 14 |