- 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: 405
10-year publication summary
|
30
|
19
|
7
|
23
|
3
|
0
|
1
|
5
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Xerox Corporation | 5887 |
67 |
| Ricoh Company, Ltd. | 13345 |
53 |
| FUJIFILM Business Innovation Corp. | 7774 |
48 |
| Canon Inc. | 41645 |
35 |
| Hewlett-Packard Development Company, L.P. | 25459 |
28 |
| Konica Minolta Business Technologies, Inc. | 1368 |
16 |
| HP Indigo B.V. | 529 |
15 |
| Hewlett-Packard Indigo B.V. | 246 |
14 |
| Lexmark International, Inc. | 1608 |
11 |
| Powdertech Co., Ltd. | 137 |
11 |
| Kao Corporation | 5026 |
10 |
| Toshiba TEC Corporation | 3869 |
9 |
| Eastman Kodak Company | 2746 |
8 |
| Sharp Corporation | 10369 |
6 |
| Konica Minolta, Inc. | 8963 |
6 |
| Kyocera Document Solutions Inc. | 5920 |
6 |
| Oki Electric Industry Co., Ltd. | 1583 |
4 |
| Zeon Corporation | 4123 |
4 |
| Toshiba Corporation | 12536 |
3 |
| Dowa Electronics Materials Co., Ltd. | 639 |
3 |
| Other owners | 48 |