- 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: 417
10-year publication summary
|
32
|
25
|
29
|
34
|
21
|
13
|
10
|
10
|
6
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 32931 |
28 |
| Hewlett-Packard Development Company, L.P. | 28538 |
24 |
| NEC Corporation | 32703 |
22 |
| Panasonic Corporation | 20786 |
22 |
| Canon Inc. | 36841 |
14 |
| Fujitsu Limited | 19265 |
14 |
| Canon Kabushiki Kaisha | 6884 |
14 |
| Brother Industries, Ltd. | 13000 |
10 |
| Kyocera Document Solutions Inc. | 5295 |
10 |
| Purdue Research Foundation | 3277 |
10 |
| Samsung Electronics Co., Ltd. | 131630 |
9 |
| Konica Minolta, Inc. | 8349 |
9 |
| Ricoh Company, Ltd. | 13266 |
8 |
| Mitsubishi Electric Corporation | 43934 |
7 |
| Nippon Telegraph and Telephone Corporation | 14195 |
7 |
| FUJIFILM Corporation | 27102 |
6 |
| Huawei Technologies Co., Ltd. | 100781 |
6 |
| Shikino High-Tech Co., Ltd. | 14 |
6 |
| Sharp Kabushiki Kaisha | 18957 |
5 |
| Xerox Corporation | 7503 |
4 |
| Other owners | 182 |