- 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: 1237
10-year publication summary
|
91
|
63
|
41
|
38
|
13
|
26
|
12
|
6
|
2
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 40216 |
110 |
| Hewlett-Packard Development Company, L.P. | 25841 |
71 |
| Brother Industries, Ltd. | 12945 |
68 |
| FUJIFILM Corporation | 29489 |
48 |
| Ricoh Company, Ltd. | 13279 |
45 |
| Xerox Corporation | 6998 |
44 |
| Canon Kabushiki Kaisha | 7066 |
34 |
| FUJIFILM Business Innovation Corp. | 7611 |
32 |
| NEC Corporation | 35827 |
30 |
| Seiko Epson Corporation | 19458 |
30 |
| Sharp Kabushiki Kaisha | 18734 |
30 |
| Konica Minolta, Inc. | 8766 |
28 |
| Sharp Corporation | 10267 |
26 |
| Kyocera Document Solutions Inc. | 5666 |
20 |
| Samsung Electronics Co., Ltd. | 147131 |
19 |
| Panasonic Corporation | 20074 |
17 |
| Konica Minolta Business Technologies, Inc. | 1407 |
17 |
| Sony Corporation | 30979 |
16 |
| Olympus Corporation | 13161 |
16 |
| Eastman Kodak Company | 2864 |
15 |
| Other owners | 521 |