- All sections
- G - Physics
- G03G - Electrography; electrophotography; magnetography
- G03G 9/083 - Magnetic toner particles
Patent holdings for IPC class G03G 9/083
Total number of patents in this class: 201
10-year publication summary
|
28
|
13
|
13
|
14
|
13
|
21
|
12
|
14
|
7
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
80 |
| Canon Kabushiki Kaisha | 6884 |
29 |
| FUJIFILM Business Innovation Corp. | 7395 |
14 |
| Kyocera Document Solutions Inc. | 5295 |
13 |
| Xerox Corporation | 7503 |
11 |
| Hewlett-Packard Development Company, L.P. | 28538 |
5 |
| Powdertech Co., Ltd. | 132 |
5 |
| Ricoh Company, Ltd. | 13266 |
4 |
| Konica Minolta, Inc. | 8349 |
4 |
| Nittetsu Mining Co., Ltd. | 31 |
4 |
| Toda Kogyo Corporation | 323 |
4 |
| Eastman Kodak Company | 3444 |
2 |
| Toshiba TEC Corporation | 3877 |
2 |
| Kyocera Mita Corporation | 268 |
2 |
| Zeon Corporation | 3854 |
2 |
| PhosMega Co., Ltd. | 10 |
2 |
| Centre National de La Recherche Scientifique | 9632 |
1 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
1 |
| Corning Incorporated | 9932 |
1 |
| Kao Corporation | 4843 |
1 |
| Other owners | 14 |