- All sections
- G - Physics
- G03G - Electrographyelectrophotographymagnetography
- G03G 9/113 - Developers with toner particles characterised by carrier particles having coatings applied thereto
Patent holdings for IPC class G03G 9/113
Total number of patents in this class: 443
10-year publication summary
|
36
|
44
|
34
|
33
|
28
|
26
|
35
|
21
|
20
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Business Innovation Corp. | 7585 |
71 |
| Powdertech Co., Ltd. | 138 |
51 |
| Canon Inc. | 39818 |
50 |
| Ricoh Company, Ltd. | 13242 |
48 |
| Dowa Electronics Materials Co., Ltd. | 633 |
44 |
| Dowa IP Creation Co., Ltd. | 59 |
44 |
| Kyocera Document Solutions Inc. | 5590 |
24 |
| Canon Kabushiki Kaisha | 7055 |
17 |
| Konica Minolta, Inc. | 8722 |
16 |
| Xerox Corporation | 7014 |
12 |
| Toda Kogyo Corporation | 338 |
9 |
| Sharp Corporation | 10311 |
8 |
| Cabot Corporation | 551 |
5 |
| Sharp Kabushiki Kaisha | 18764 |
5 |
| Toshiba TEC Corporation | 3788 |
4 |
| Lexmark International, Inc. | 1668 |
4 |
| Konica Minolta Business Technologies, Inc. | 1421 |
3 |
| Toshiba Corporation | 12334 |
2 |
| Hewlett-Packard Development Company, L.P. | 25881 |
2 |
| Eastman Kodak Company | 2900 |
2 |
| Other owners | 22 |