- 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: 1184
10-year publication summary
|
191
|
173
|
114
|
93
|
66
|
57
|
41
|
45
|
23
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 41573 |
160 |
| Ricoh Company, Ltd. | 13348 |
62 |
| Samsung Electronics Co., Ltd. | 151017 |
54 |
| Brother Industries, Ltd. | 12929 |
52 |
| Kyocera Document Solutions Inc. | 5906 |
50 |
| FUJIFILM Business Innovation Corp. | 7774 |
43 |
| Apple Inc. | 56891 |
33 |
| Sony Corporation | 30634 |
31 |
| GoPro, Inc. | 2059 |
31 |
| Konica Minolta, Inc. | 8960 |
25 |
| Toshiba TEC Corporation | 3866 |
20 |
| Toshiba Corporation | 12532 |
17 |
| Sharp Corporation | 10358 |
16 |
| Microsoft Technology Licensing, LLC | 54316 |
16 |
| Open Text SA ULC | 540 |
16 |
| LG Electronics Inc. | 74262 |
14 |
| Panasonic Intellectual Property Management Co., Ltd. | 32904 |
14 |
| Xerox Corporation | 5899 |
13 |
| Seiko Epson Corporation | 19809 |
13 |
| Google LLC | 43386 |
13 |
| Other owners | 491 |