- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 1/58 - Edge or detail enhancement; Noise or error suppression, e.g. colour misregistration correction
Patent holdings for IPC class H04N 1/58
Total number of patents in this class: 313
10-year publication summary
|
30
|
35
|
36
|
40
|
27
|
23
|
19
|
17
|
7
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
60 |
| Hewlett-Packard Development Company, L.P. | 28538 |
20 |
| Brother Industries, Ltd. | 13000 |
17 |
| Seiko Epson Corporation | 18724 |
14 |
| Ricoh Company, Ltd. | 13266 |
12 |
| Kyocera Document Solutions Inc. | 5295 |
10 |
| Xerox Corporation | 7503 |
9 |
| Konica Minolta, Inc. | 8349 |
8 |
| FUJIFILM Business Innovation Corp. | 7395 |
8 |
| Eastman Kodak Company | 3444 |
7 |
| Google LLC | 38759 |
6 |
| Samsung Electronics Co., Ltd. | 131630 |
5 |
| Oce Printing Systems GmbH | 134 |
5 |
| FUJIFILM Corporation | 27102 |
4 |
| Georgetown University | 591 |
4 |
| Intel Corporation | 45621 |
3 |
| Panasonic Intellectual Property Corporation of America | 7230 |
3 |
| Memjet Technology Ltd. | 757 |
3 |
| Oki Electric Industry Co., Ltd. | 1652 |
3 |
| Sony Semiconductor Solutions Corporation | 8770 |
3 |
| Other owners | 109 |