- 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: 475
10-year publication summary
|
52
|
45
|
32
|
42
|
44
|
46
|
32
|
31
|
21
|
15
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36856 |
126 |
| Canon Kabushiki Kaisha | 6683 |
48 |
| FUJIFILM Business Innovation Corp. | 7579 |
44 |
| Ricoh Company, Ltd. | 14053 |
39 |
| Konica Minolta, Inc. | 8205 |
37 |
| Lexmark International, Inc. | 1966 |
37 |
| Xerox Corporation | 6811 |
27 |
| Mitsubishi Chemical Corporation | 4088 |
22 |
| Hewlett-Packard Development Company, L.P. | 29751 |
17 |
| Fuji Electric Co., Ltd. | 4475 |
15 |
| Kyocera Document Solutions Inc. | 5761 |
13 |
| Kyocera Corporation | 12050 |
7 |
| Idemitsu Kosan Co., Ltd. | 3920 |
6 |
| Konica Minolta Business Technologies, Inc. | 1726 |
5 |
| Mitsubishi Rayon Co., Ltd. | 1118 |
5 |
| Sharp Corporation | 11048 |
4 |
| Fuji Electric Systems Co., Ltd. | 106 |
4 |
| Samsung Electronics Co., Ltd. | 121351 |
3 |
| Eastman Kodak Company | 4117 |
3 |
| Fuji Electric Device Technology Co., Ltd. | 20 |
2 |
| Other owners | 11 |