- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 1/46 - Colour picture communication systems
Patent holdings for IPC class H04N 1/46
Total number of patents in this class: 1141
10-year publication summary
|
63
|
41
|
39
|
13
|
26
|
12
|
6
|
4
|
5
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 44285 |
105 |
| Hewlett-Packard Development Company, L.P. | 25139 |
67 |
| Brother Industries, Ltd. | 12827 |
64 |
| Ricoh Company, Ltd. | 13386 |
42 |
| FUJIFILM Corporation | 30689 |
41 |
| Xerox Corporation | 4379 |
38 |
| Canon Kabushiki Kaisha | 7387 |
31 |
| FUJIFILM Business Innovation Corp. | 8039 |
30 |
| NEC Corporation | 37395 |
29 |
| Sharp Kabushiki Kaisha | 18480 |
29 |
| Seiko Epson Corporation | 20446 |
28 |
| Konica Minolta, Inc. | 9176 |
28 |
| Sharp Corporation | 10868 |
26 |
| Kyocera Document Solutions Inc. | 6360 |
20 |
| Samsung Electronics Co., Ltd. | 159029 |
17 |
| Sony Corporation | 30052 |
16 |
| Panasonic Corporation | 18716 |
15 |
| Konica Minolta Business Technologies, Inc. | 1312 |
15 |
| Eastman Kodak Company | 2577 |
13 |
| Dolby Laboratories Licensing Corporation | 4379 |
13 |
| Other owners | 474 |