- 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: 451
10-year publication summary
|
44
|
34
|
32
|
28
|
26
|
35
|
21
|
20
|
10
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Business Innovation Corp. | 7794 |
75 |
| Canon Inc. | 41835 |
53 |
| Powdertech Co., Ltd. | 137 |
50 |
| Ricoh Company, Ltd. | 13332 |
49 |
| Dowa Electronics Materials Co., Ltd. | 639 |
44 |
| Dowa IP Creation Co., Ltd. | 59 |
44 |
| Kyocera Document Solutions Inc. | 5959 |
28 |
| Konica Minolta, Inc. | 8983 |
16 |
| Canon Kabushiki Kaisha | 7208 |
16 |
| Xerox Corporation | 5876 |
11 |
| Toda Kogyo Corporation | 342 |
9 |
| Sharp Corporation | 10380 |
8 |
| Cabot Corporation | 552 |
5 |
| Sharp Kabushiki Kaisha | 18627 |
5 |
| Toshiba TEC Corporation | 3874 |
4 |
| Lexmark International, Inc. | 1593 |
4 |
| Konica Minolta Business Technologies, Inc. | 1365 |
3 |
| Toshiba Corporation | 12578 |
2 |
| Hewlett-Packard Development Company, L.P. | 25446 |
2 |
| Eastman Kodak Company | 2722 |
2 |
| Other owners | 21 |