- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 7/18 - Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
Patent holdings for IPC class H04N 7/18
Total number of patents in this class: 23938
10-year publication summary
|
1988
|
2153
|
2461
|
2772
|
2843
|
2662
|
2313
|
2144
|
1769
|
404
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 30514 |
528 |
| Sony Corporation | 36627 |
518 |
| Olympus Corporation | 14235 |
397 |
| Panasonic Intellectual Property Management Co., Ltd. | 26502 |
384 |
| Magna Electronics Inc. | 1159 |
338 |
| Canon Inc. | 36856 |
315 |
| Amazon Technologies, Inc. | 23127 |
285 |
| Denso Corporation | 23131 |
276 |
| Google LLC | 35511 |
240 |
| Mitsubishi Electric Corporation | 41350 |
208 |
| Samsung Electronics Co., Ltd. | 121351 |
207 |
| Motorola Solutions, Inc. | 4285 |
207 |
| JVC Kenwood Corporation | 2597 |
191 |
| LG Electronics Inc. | 67036 |
174 |
| Robert Bosch GmbH | 40155 |
173 |
| Hanwha Techwin Co., Ltd. | 736 |
169 |
| Toyota Motor Corporation | 28335 |
163 |
| FUJIFILM Corporation | 25841 |
162 |
| Komatsu Ltd. | 4083 |
156 |
| Honeywell International Inc. | 14233 |
145 |
| Other owners | 18702 |