- All sections
- G - Physics
- G03G - Electrographyelectrophotographymagnetography
- G03G 9/08 - Developers with toner particles
Patent holdings for IPC class G03G 9/08
Total number of patents in this class: 2669
10-year publication summary
|
237
|
242
|
225
|
177
|
161
|
137
|
190
|
147
|
105
|
69
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 40656 |
487 |
| FUJIFILM Business Innovation Corp. | 7734 |
353 |
| Ricoh Company, Ltd. | 13385 |
291 |
| Xerox Corporation | 6979 |
290 |
| Canon Kabushiki Kaisha | 7113 |
132 |
| Kyocera Document Solutions Inc. | 5748 |
108 |
| Konica Minolta, Inc. | 8829 |
105 |
| Zeon Corporation | 4118 |
100 |
| Kao Corporation | 4986 |
77 |
| Hewlett-Packard Development Company, L.P. | 25719 |
61 |
| Toshiba TEC Corporation | 3827 |
51 |
| Mitsubishi Chemical Corporation | 4582 |
47 |
| Eastman Kodak Company | 2829 |
40 |
| Lexmark International, Inc. | 1647 |
37 |
| Samsung Fine Chemicals Co., Ltd. | 177 |
33 |
| Sharp Corporation | 10293 |
28 |
| Konica Minolta Business Technologies, Inc. | 1393 |
26 |
| Toshiba Corporation | 12516 |
22 |
| Oki Electric Industry Co., Ltd. | 1590 |
20 |
| SANYO Chemical Industries, Ltd. | 488 |
18 |
| Other owners | 343 |