- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 9/87 - Regeneration of colour television signals
Patent holdings for IPC class H04N 9/87
Total number of patents in this class: 629
10-year publication summary
|
10
|
127
|
162
|
93
|
91
|
108
|
89
|
60
|
63
|
7
|
| 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 43743 |
53 |
| Google LLC | 31798 |
30 |
| Panasonic Intellectual Property Management Co., Ltd. | 21007 |
29 |
| Panasonic Intellectual Property Corporation of America | 4352 |
28 |
| DISH Technologies L.L.C. | 1390 |
27 |
| Canon Inc. | 39001 |
23 |
| Samsung Electronics Co., Ltd. | 108011 |
20 |
| Tribune Broadcasting Company, LLC | 274 |
15 |
| Apple Inc. | 38979 |
13 |
| Saturn Licensing LLC | 1557 |
13 |
| LG Electronics Inc. | 61670 |
11 |
| Mitsubishi Electric Corporation | 36559 |
11 |
| Intel Corporation | 47005 |
10 |
| Amazon Technologies, Inc. | 19577 |
10 |
| Disney Enterprises, Inc. | 5527 |
9 |
| Microsoft Technology Licensing, LLC | 48254 |
9 |
| Maxell, Ltd. | 1698 |
9 |
| Lucid VR Inc | 11 |
7 |
| Avago Technologies International Sales Pte. Limited | 11936 |
7 |
| International Business Machines Corporation | 72244 |
6 |
| Other owners | 289 |