- All sections
- G - Physics
- G03G - Electrography; electrophotography; magnetography
- G03G 9/00 - Developers
Patent holdings for IPC class G03G 9/00
Total number of patents in this class: 440
10-year publication summary
|
53
|
38
|
30
|
19
|
7
|
23
|
3
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Xerox Corporation | 7503 |
70 |
| Ricoh Company, Ltd. | 13266 |
57 |
| FUJIFILM Business Innovation Corp. | 7395 |
50 |
| Canon Inc. | 36841 |
37 |
| Hewlett-Packard Development Company, L.P. | 28538 |
30 |
| Konica Minolta Business Technologies, Inc. | 1564 |
17 |
| Kao Corporation | 4843 |
15 |
| HP Indigo B.V. | 540 |
15 |
| Hewlett-Packard Indigo B.V. | 255 |
14 |
| Lexmark International, Inc. | 1793 |
12 |
| Powdertech Co., Ltd. | 132 |
11 |
| Sharp Corporation | 10015 |
10 |
| Toshiba TEC Corporation | 3877 |
10 |
| Eastman Kodak Company | 3444 |
8 |
| Kyocera Document Solutions Inc. | 5295 |
6 |
| Konica Minolta, Inc. | 8349 |
5 |
| Toshiba Corporation | 12017 |
4 |
| Oki Electric Industry Co., Ltd. | 1652 |
4 |
| Kyocera Mita Corporation | 268 |
4 |
| Zeon Corporation | 3854 |
4 |
| Other owners | 57 |