- 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: 3554
10-year publication summary
|
559
|
488
|
398
|
340
|
260
|
254
|
220
|
162
|
120
|
34
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 42139 |
612 |
| Brother Industries, Ltd. | 12880 |
218 |
| FUJIFILM Business Innovation Corp. | 7845 |
190 |
| Ricoh Company, Ltd. | 13305 |
168 |
| Kyocera Document Solutions Inc. | 6042 |
145 |
| Konica Minolta, Inc. | 9007 |
122 |
| Sharp Corporation | 10436 |
111 |
| Hewlett-Packard Development Company, L.P. | 25393 |
104 |
| Digimarc Corporation | 723 |
103 |
| Xerox Corporation | 5694 |
102 |
| Toshiba TEC Corporation | 3892 |
102 |
| Seiko Epson Corporation | 19982 |
86 |
| Sony Corporation | 30461 |
40 |
| Toshiba Corporation | 12698 |
39 |
| Samsung Electronics Co., Ltd. | 153093 |
37 |
| Open Text SA ULC | 542 |
33 |
| Google LLC | 43671 |
25 |
| Konica Minolta Business Technologies, Inc. | 1356 |
21 |
| International Business Machines Corporation | 62148 |
19 |
| PFU Limited | 771 |
19 |
| Other owners | 1258 |