- All sections
- G - Physics
- G03G - Electrography; electrophotography; magnetography
- G03G 5/04 - Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
Patent holdings for IPC class G03G 5/04
Total number of patents in this class: 145
10-year publication summary
|
17
|
20
|
13
|
10
|
4
|
6
|
7
|
7
|
1
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
41 |
| FUJIFILM Business Innovation Corp. | 7395 |
17 |
| Xerox Corporation | 7503 |
16 |
| Mitsubishi Chemical Corporation | 4313 |
13 |
| Hewlett-Packard Development Company, L.P. | 28538 |
11 |
| Kyocera Document Solutions Inc. | 5295 |
10 |
| Fuji Electric Co., Ltd. | 4750 |
8 |
| Mitsubishi Rayon Co., Ltd. | 1003 |
5 |
| Canon Kabushiki Kaisha | 6884 |
4 |
| Konica Minolta, Inc. | 8349 |
2 |
| Lexmark International, Inc. | 1793 |
2 |
| Lawrence Livermore National Security, LLC | 1834 |
2 |
| Opcondys, Inc. | 14 |
2 |
| FUJIFILM Corporation | 27102 |
1 |
| Ricoh Company, Ltd. | 13266 |
1 |
| Brother Industries, Ltd. | 13000 |
1 |
| Kyocera Corporation | 12735 |
1 |
| Georgia Tech Research Corporation | 2453 |
1 |
| The Arizona Board of Regents on Behalf of the University of Arizona | 1906 |
1 |
| Kolon Industries, Inc. | 1506 |
1 |
| Other owners | 5 |