- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 1/58 - Edge or detail enhancementNoise or error suppression, e.g. colour misregistration correction
Patent holdings for IPC class H04N 1/58
Total number of patents in this class: 299
10-year publication summary
|
35
|
36
|
40
|
27
|
23
|
19
|
17
|
7
|
5
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 39160 |
57 |
| Hewlett-Packard Development Company, L.P. | 26001 |
18 |
| Brother Industries, Ltd. | 12945 |
16 |
| Seiko Epson Corporation | 19206 |
14 |
| Ricoh Company, Ltd. | 13209 |
11 |
| Kyocera Document Solutions Inc. | 5480 |
10 |
| Xerox Corporation | 7041 |
9 |
| Konica Minolta, Inc. | 8640 |
9 |
| FUJIFILM Business Innovation Corp. | 7567 |
8 |
| Eastman Kodak Company | 2942 |
7 |
| Google LLC | 41882 |
6 |
| Samsung Electronics Co., Ltd. | 143021 |
5 |
| FUJIFILM Corporation | 29151 |
4 |
| Georgetown University | 596 |
4 |
| Oce Printing Systems GmbH | 112 |
4 |
| Intel Corporation | 46631 |
3 |
| Panasonic Intellectual Property Corporation of America | 7583 |
3 |
| Memjet Technology Ltd. | 647 |
3 |
| Oki Electric Industry Co., Ltd. | 1598 |
3 |
| Sony Semiconductor Solutions Corporation | 10145 |
3 |
| Other owners | 102 |