- 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: 2787
10-year publication summary
|
250
|
282
|
243
|
248
|
229
|
181
|
165
|
135
|
188
|
54
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36856 |
440 |
| Xerox Corporation | 6811 |
333 |
| Ricoh Company, Ltd. | 14053 |
313 |
| FUJIFILM Business Innovation Corp. | 7579 |
311 |
| Kyocera Document Solutions Inc. | 5761 |
140 |
| Canon Kabushiki Kaisha | 6683 |
129 |
| Zeon Corporation | 3741 |
111 |
| Konica Minolta, Inc. | 8205 |
99 |
| Kao Corporation | 4747 |
83 |
| Hewlett-Packard Development Company, L.P. | 29751 |
68 |
| Toshiba TEC Corporation | 3902 |
58 |
| Mitsubishi Chemical Corporation | 4088 |
52 |
| Lexmark International, Inc. | 1966 |
46 |
| Eastman Kodak Company | 4117 |
43 |
| Sharp Corporation | 11048 |
37 |
| Samsung Fine Chemicals Co., Ltd. | 186 |
33 |
| Konica Minolta Business Technologies, Inc. | 1726 |
32 |
| Toshiba Corporation | 12033 |
26 |
| SANYO Chemical Industries, Ltd. | 469 |
23 |
| HP Indigo B.V. | 580 |
23 |
| Other owners | 387 |