- All sections
- G - Physics
- G03G - Electrography; electrophotography; magnetography
- G03G 5/147 - Cover layers
Patent holdings for IPC class G03G 5/147
Total number of patents in this class: 464
10-year publication summary
|
45
|
32
|
42
|
44
|
46
|
32
|
31
|
21
|
47
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
126 |
| Canon Kabushiki Kaisha | 6884 |
49 |
| FUJIFILM Business Innovation Corp. | 7395 |
43 |
| Konica Minolta, Inc. | 8349 |
37 |
| Ricoh Company, Ltd. | 13266 |
34 |
| Mitsubishi Chemical Corporation | 4313 |
33 |
| Lexmark International, Inc. | 1793 |
31 |
| Xerox Corporation | 7503 |
23 |
| Hewlett-Packard Development Company, L.P. | 28538 |
15 |
| Fuji Electric Co., Ltd. | 4750 |
15 |
| Kyocera Document Solutions Inc. | 5295 |
12 |
| Kyocera Corporation | 12735 |
7 |
| Idemitsu Kosan Co., Ltd. | 3995 |
6 |
| Mitsubishi Rayon Co., Ltd. | 1003 |
5 |
| Konica Minolta Business Technologies, Inc. | 1564 |
4 |
| Fuji Electric Systems Co., Ltd. | 89 |
4 |
| Samsung Electronics Co., Ltd. | 131630 |
3 |
| Sharp Corporation | 10015 |
3 |
| Eastman Kodak Company | 3444 |
2 |
| Fuji Electric Device Technology Co., Ltd. | 17 |
2 |
| Other owners | 10 |