- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 1/41 - Bandwidth or redundancy reduction
Patent holdings for IPC class H04N 1/41
Total number of patents in this class: 372
10-year publication summary
|
29
|
34
|
21
|
13
|
10
|
10
|
6
|
6
|
6
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Corporation | 18751 |
22 |
| Sony Corporation | 30080 |
21 |
| Hewlett-Packard Development Company, L.P. | 25148 |
21 |
| NEC Corporation | 37312 |
18 |
| Canon Inc. | 44222 |
14 |
| Fujitsu Limited | 16851 |
12 |
| Canon Kabushiki Kaisha | 7373 |
11 |
| Brother Industries, Ltd. | 12831 |
10 |
| Kyocera Document Solutions Inc. | 6345 |
10 |
| Purdue Research Foundation | 3950 |
10 |
| Konica Minolta, Inc. | 9165 |
9 |
| Samsung Electronics Co., Ltd. | 158842 |
8 |
| Ricoh Company, Ltd. | 13355 |
8 |
| Mitsubishi Electric Corporation | 48287 |
7 |
| Nippon Telegraph and Telephone Corporation | 15933 |
7 |
| FUJIFILM Corporation | 30653 |
6 |
| Huawei Technologies Co., Ltd. | 124630 |
6 |
| Shikino High-Tech Co., Ltd. | 14 |
6 |
| Nippon Hoso Kyokai | 229 |
5 |
| Sun Patent Trust | 1999 |
5 |
| Other owners | 156 |