- 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: 3521
10-year publication summary
|
431
|
560
|
489
|
402
|
343
|
261
|
255
|
220
|
156
|
67
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 39818 |
586 |
| Brother Industries, Ltd. | 12964 |
213 |
| FUJIFILM Business Innovation Corp. | 7585 |
185 |
| Ricoh Company, Ltd. | 13242 |
173 |
| Kyocera Document Solutions Inc. | 5590 |
143 |
| Konica Minolta, Inc. | 8722 |
118 |
| Sharp Corporation | 10311 |
109 |
| Digimarc Corporation | 743 |
109 |
| Xerox Corporation | 7014 |
108 |
| Hewlett-Packard Development Company, L.P. | 25881 |
107 |
| Toshiba TEC Corporation | 3788 |
99 |
| Seiko Epson Corporation | 19327 |
85 |
| Sony Corporation | 31065 |
44 |
| Toshiba Corporation | 12334 |
39 |
| Samsung Electronics Co., Ltd. | 145864 |
37 |
| Open Text SA ULC | 529 |
32 |
| Google LLC | 42135 |
25 |
| Konica Minolta Business Technologies, Inc. | 1421 |
21 |
| International Business Machines Corporation | 61210 |
20 |
| PFU Limited | 743 |
19 |
| Other owners | 1249 |