- 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: 391
10-year publication summary
|
24
|
29
|
31
|
21
|
11
|
9
|
9
|
6
|
5
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 30921 |
25 |
| Panasonic Corporation | 20036 |
22 |
| NEC Corporation | 36108 |
21 |
| Hewlett-Packard Development Company, L.P. | 25776 |
21 |
| Canon Inc. | 40509 |
14 |
| Fujitsu Limited | 18087 |
13 |
| Canon Kabushiki Kaisha | 7088 |
11 |
| Brother Industries, Ltd. | 12948 |
10 |
| Kyocera Document Solutions Inc. | 5717 |
10 |
| Purdue Research Foundation | 3673 |
10 |
| Konica Minolta, Inc. | 8801 |
9 |
| Samsung Electronics Co., Ltd. | 147787 |
8 |
| Ricoh Company, Ltd. | 13386 |
8 |
| Mitsubishi Electric Corporation | 46547 |
8 |
| Nippon Telegraph and Telephone Corporation | 17324 |
7 |
| FUJIFILM Corporation | 29696 |
6 |
| Huawei Technologies Co., Ltd. | 114071 |
6 |
| Shikino High-Tech Co., Ltd. | 14 |
6 |
| Nippon Hoso Kyokai | 224 |
5 |
| Xerox Corporation | 6982 |
4 |
| Other owners | 167 |