- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 1/21 - Intermediate information storage
Patent holdings for IPC class H04N 1/21
Total number of patents in this class: 1202
10-year publication summary
|
249
|
217
|
192
|
173
|
115
|
93
|
67
|
53
|
38
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
162 |
| Ricoh Company, Ltd. | 13266 |
63 |
| Brother Industries, Ltd. | 13000 |
53 |
| Samsung Electronics Co., Ltd. | 131630 |
51 |
| Kyocera Document Solutions Inc. | 5295 |
50 |
| FUJIFILM Business Innovation Corp. | 7395 |
42 |
| Sony Corporation | 32931 |
34 |
| Apple Inc. | 50209 |
32 |
| GoPro, Inc. | 1915 |
31 |
| Konica Minolta, Inc. | 8349 |
24 |
| Toshiba TEC Corporation | 3877 |
22 |
| Toshiba Corporation | 12017 |
19 |
| Microsoft Technology Licensing, LLC | 51439 |
17 |
| Sharp Corporation | 10015 |
16 |
| Xerox Corporation | 7503 |
15 |
| LG Electronics Inc. | 69257 |
14 |
| Seiko Epson Corporation | 18724 |
14 |
| Google LLC | 38759 |
14 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
13 |
| Hewlett-Packard Development Company, L.P. | 28538 |
12 |
| Other owners | 504 |