- All sections
- G - Physics
- G03G - Electrography; electrophotography; magnetography
- G03G 9/08 - Developers with toner particles
Patent holdings for IPC class G03G 9/08
Total number of patents in this class: 2657
10-year publication summary
|
282
|
243
|
248
|
229
|
181
|
165
|
136
|
189
|
147
|
30
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
461 |
| FUJIFILM Business Innovation Corp. | 7395 |
334 |
| Ricoh Company, Ltd. | 13266 |
298 |
| Xerox Corporation | 7503 |
295 |
| Canon Kabushiki Kaisha | 6884 |
133 |
| Kyocera Document Solutions Inc. | 5295 |
106 |
| Zeon Corporation | 3854 |
101 |
| Konica Minolta, Inc. | 8349 |
97 |
| Kao Corporation | 4843 |
79 |
| Hewlett-Packard Development Company, L.P. | 28538 |
63 |
| Toshiba TEC Corporation | 3877 |
53 |
| Mitsubishi Chemical Corporation | 4313 |
51 |
| Eastman Kodak Company | 3444 |
41 |
| Lexmark International, Inc. | 1793 |
36 |
| Samsung Fine Chemicals Co., Ltd. | 181 |
33 |
| Sharp Corporation | 10015 |
28 |
| Konica Minolta Business Technologies, Inc. | 1564 |
27 |
| Toshiba Corporation | 12017 |
23 |
| SANYO Chemical Industries, Ltd. | 472 |
21 |
| Oki Electric Industry Co., Ltd. | 1652 |
19 |
| Other owners | 358 |