- All sections
- G - Physics
- G03G - Electrographyelectrophotographymagnetography
- G03G 9/00 - Developers
Patent holdings for IPC class G03G 9/00
Total number of patents in this class: 420
10-year publication summary
|
38
|
30
|
19
|
7
|
23
|
3
|
0
|
1
|
4
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Xerox Corporation | 7013 |
70 |
| Ricoh Company, Ltd. | 13247 |
56 |
| FUJIFILM Business Innovation Corp. | 7590 |
49 |
| Canon Inc. | 39888 |
35 |
| Hewlett-Packard Development Company, L.P. | 25895 |
30 |
| Konica Minolta Business Technologies, Inc. | 1419 |
16 |
| HP Indigo B.V. | 529 |
15 |
| Hewlett-Packard Indigo B.V. | 246 |
14 |
| Lexmark International, Inc. | 1668 |
11 |
| Powdertech Co., Ltd. | 138 |
11 |
| Kao Corporation | 4964 |
10 |
| Toshiba TEC Corporation | 3790 |
9 |
| Eastman Kodak Company | 2894 |
8 |
| Sharp Corporation | 10237 |
6 |
| Kyocera Document Solutions Inc. | 5598 |
6 |
| Konica Minolta, Inc. | 8729 |
5 |
| Oki Electric Industry Co., Ltd. | 1591 |
4 |
| Zeon Corporation | 4077 |
4 |
| Toshiba Corporation | 12336 |
3 |
| Kyocera Mita Corporation | 211 |
3 |
| Other owners | 55 |