- 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: 1193
10-year publication summary
217
|
192
|
173
|
115
|
93
|
67
|
57
|
40
|
43
|
13
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Canon Inc. | 39960 |
160 |
Ricoh Company, Ltd. | 13279 |
62 |
Samsung Electronics Co., Ltd. | 146346 |
53 |
Brother Industries, Ltd. | 12972 |
53 |
Kyocera Document Solutions Inc. | 5606 |
49 |
FUJIFILM Business Innovation Corp. | 7592 |
43 |
Apple Inc. | 54937 |
32 |
Sony Corporation | 31036 |
32 |
GoPro, Inc. | 1977 |
31 |
Konica Minolta, Inc. | 8742 |
25 |
Toshiba TEC Corporation | 3795 |
20 |
Toshiba Corporation | 12345 |
17 |
Sharp Corporation | 10245 |
16 |
Microsoft Technology Licensing, LLC | 53729 |
16 |
Xerox Corporation | 7002 |
15 |
LG Electronics Inc. | 73111 |
14 |
Panasonic Intellectual Property Management Co., Ltd. | 31475 |
14 |
Open Text SA ULC | 530 |
14 |
Seiko Epson Corporation | 19367 |
13 |
Google LLC | 42261 |
13 |
Other owners | 501 |