- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 1/56 - Processing of colour picture signals
Patent holdings for IPC class H04N 1/56
Total number of patents in this class: 163
10-year publication summary
|
18
|
30
|
17
|
19
|
4
|
9
|
3
|
5
|
3
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 40862 |
17 |
| Hewlett-Packard Development Company, L.P. | 25611 |
17 |
| Brother Industries, Ltd. | 12943 |
8 |
| FUJIFILM Business Innovation Corp. | 7734 |
6 |
| Seiko Epson Corporation | 19668 |
5 |
| Konica Minolta, Inc. | 8853 |
4 |
| Kyocera Document Solutions Inc. | 5774 |
4 |
| Panamorph, Inc. | 27 |
4 |
| Sony Corporation | 30829 |
3 |
| Konica Minolta Business Technologies, Inc. | 1388 |
3 |
| Memjet Technology Ltd. | 625 |
3 |
| Apple Inc. | 56070 |
2 |
| FUJIFILM Corporation | 29752 |
2 |
| Ricoh Company, Ltd. | 13363 |
2 |
| Koninklijke Philips N.V. | 25074 |
2 |
| Microsoft Technology Licensing, LLC | 54162 |
2 |
| Omron Corporation | 7306 |
2 |
| PPG Industries Ohio, Inc. | 3415 |
2 |
| Boe Technology Group Co., Ltd. | 41695 |
2 |
| Dolby Laboratories Licensing Corporation | 4191 |
2 |
| Other owners | 71 |