- All sections
- G - Physics
- G03G - Electrography; electrophotography; magnetography
- 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: 432
10-year publication summary
|
25
|
36
|
44
|
34
|
33
|
28
|
26
|
35
|
20
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Business Innovation Corp. | 7395 |
70 |
| Powdertech Co., Ltd. | 132 |
50 |
| Canon Inc. | 36841 |
49 |
| Dowa Electronics Materials Co., Ltd. | 610 |
44 |
| Dowa IP Creation Co., Ltd. | 58 |
44 |
| Ricoh Company, Ltd. | 13266 |
43 |
| Kyocera Document Solutions Inc. | 5295 |
18 |
| Canon Kabushiki Kaisha | 6884 |
17 |
| Konica Minolta, Inc. | 8349 |
15 |
| Xerox Corporation | 7503 |
12 |
| Toda Kogyo Corporation | 323 |
9 |
| Sharp Corporation | 10015 |
8 |
| Cabot Corporation | 575 |
5 |
| Sharp Kabushiki Kaisha | 18957 |
5 |
| Toshiba TEC Corporation | 3877 |
4 |
| Lexmark International, Inc. | 1793 |
4 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
3 |
| Konica Minolta Business Technologies, Inc. | 1564 |
3 |
| LG Chem, Ltd. | 17205 |
2 |
| Toshiba Corporation | 12017 |
2 |
| Other owners | 25 |