- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 1/32 - Circuits or arrangements for control or supervision between transmitter and receiver
Patent holdings for IPC class H04N 1/32
Total number of patents in this class: 3581
10-year publication summary
|
560
|
489
|
402
|
343
|
261
|
254
|
224
|
164
|
123
|
75
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 44222 |
621 |
| Brother Industries, Ltd. | 12831 |
218 |
| FUJIFILM Business Innovation Corp. | 7996 |
191 |
| Ricoh Company, Ltd. | 13355 |
169 |
| Kyocera Document Solutions Inc. | 6345 |
148 |
| Konica Minolta, Inc. | 9165 |
122 |
| Sharp Corporation | 10860 |
116 |
| Toshiba TEC Corporation | 3910 |
104 |
| Hewlett-Packard Development Company, L.P. | 25148 |
103 |
| Xerox Corporation | 4382 |
95 |
| Dmrc LLC | 492 |
95 |
| Seiko Epson Corporation | 20406 |
88 |
| Sony Corporation | 30080 |
40 |
| Toshiba Corporation | 12660 |
39 |
| Samsung Electronics Co., Ltd. | 158842 |
37 |
| Open Text SA ULC | 536 |
33 |
| Google LLC | 44743 |
25 |
| Konica Minolta Business Technologies, Inc. | 1313 |
21 |
| International Business Machines Corporation | 62769 |
19 |
| PFU Limited | 786 |
19 |
| Other owners | 1278 |