- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 5/91 - Television signal processing therefor
Patent holdings for IPC class H04N 5/91
Total number of patents in this class: 2562
10-year publication summary
|
188
|
206
|
193
|
147
|
114
|
82
|
95
|
89
|
99
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 32931 |
292 |
| Panasonic Corporation | 20786 |
188 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
87 |
| Pioneer Corporation | 4843 |
79 |
| Sharp Kabushiki Kaisha | 18957 |
79 |
| NEC Corporation | 32703 |
76 |
| Nikon Corporation | 7162 |
71 |
| FUJIFILM Corporation | 27102 |
48 |
| DISH Technologies L.L.C. | 1666 |
44 |
| Canon Inc. | 36841 |
39 |
| Mitsubishi Electric Corporation | 43934 |
37 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
36 |
| Maxell, Ltd. | 2533 |
36 |
| Canon Kabushiki Kaisha | 6884 |
36 |
| Samsung Electronics Co., Ltd. | 131630 |
35 |
| LG Electronics Inc. | 69257 |
30 |
| JVC Kenwood Corporation | 2774 |
29 |
| Olympus Corporation | 13667 |
28 |
| Amazon Technologies, Inc. | 24422 |
26 |
| Maxell Holdings, Ltd. | 1422 |
26 |
| Other owners | 1240 |