- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 5/228 - Circuit details for pick-up tubes
Patent holdings for IPC class H04N 5/228
Total number of patents in this class: 2419
10-year publication summary
|
178
|
163
|
118
|
65
|
40
|
40
|
25
|
9
|
11
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
242 |
| Samsung Electronics Co., Ltd. | 131630 |
186 |
| Sony Corporation | 32931 |
127 |
| Apple Inc. | 50209 |
80 |
| FUJIFILM Corporation | 27102 |
78 |
| Nikon Corporation | 7162 |
50 |
| FotoNation Limited | 627 |
48 |
| Google LLC | 38759 |
48 |
| Olympus Corporation | 13667 |
47 |
| Casio Computer Co., Ltd. | 3343 |
45 |
| Panasonic Corporation | 20786 |
42 |
| Semiconductor Components Industries, L.L.C. | 5345 |
39 |
| Microsoft Technology Licensing, LLC | 51439 |
33 |
| Qualcomm Incorporated | 76576 |
32 |
| OM Digital Solutions Corp. | 706 |
28 |
| Ricoh Company, Ltd. | 13266 |
25 |
| Panasonic Intellectual Property Corporation of America | 7230 |
24 |
| Sony Semiconductor Solutions Corporation | 8770 |
24 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
23 |
| OmniVision Technologies, Inc. | 1502 |
23 |
| Other owners | 1175 |