- 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: 167
10-year publication summary
|
18
|
30
|
17
|
19
|
4
|
10
|
3
|
5
|
3
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hewlett-Packard Development Company, L.P. | 27447 |
19 |
| Canon Inc. | 38240 |
17 |
| Brother Industries, Ltd. | 12919 |
8 |
| FUJIFILM Business Innovation Corp. | 7435 |
6 |
| Seiko Epson Corporation | 19005 |
5 |
| Konica Minolta, Inc. | 8552 |
4 |
| Kyocera Document Solutions Inc. | 5376 |
4 |
| Panamorph, Inc. | 26 |
4 |
| Sony Corporation | 31530 |
3 |
| Konica Minolta Business Technologies, Inc. | 1463 |
3 |
| Memjet Technology Ltd. | 692 |
3 |
| Apple Inc. | 52845 |
2 |
| Sony Ericsson Mobile Communications AB | 1872 |
2 |
| FUJIFILM Corporation | 28829 |
2 |
| Ricoh Company, Ltd. | 13222 |
2 |
| Koninklijke Philips N.V. | 24052 |
2 |
| Microsoft Technology Licensing, LLC | 52911 |
2 |
| Omron Corporation | 7159 |
2 |
| PPG Industries Ohio, Inc. | 3453 |
2 |
| Boe Technology Group Co., Ltd. | 38978 |
2 |
| Other owners | 73 |