- 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: 3529
10-year publication summary
|
413
|
431
|
560
|
489
|
402
|
343
|
260
|
254
|
206
|
61
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
572 |
| Brother Industries, Ltd. | 13000 |
206 |
| Ricoh Company, Ltd. | 13266 |
181 |
| FUJIFILM Business Innovation Corp. | 7395 |
177 |
| Kyocera Document Solutions Inc. | 5295 |
159 |
| Digimarc Corporation | 787 |
118 |
| Konica Minolta, Inc. | 8349 |
115 |
| Hewlett-Packard Development Company, L.P. | 28538 |
114 |
| Xerox Corporation | 7503 |
100 |
| Sharp Corporation | 10015 |
100 |
| Toshiba TEC Corporation | 3877 |
97 |
| Seiko Epson Corporation | 18724 |
83 |
| Sony Corporation | 32931 |
44 |
| Toshiba Corporation | 12017 |
42 |
| Samsung Electronics Co., Ltd. | 131630 |
36 |
| Open Text SA ULC | 665 |
33 |
| International Business Machines Corporation | 60644 |
28 |
| Google LLC | 38759 |
26 |
| Konica Minolta Business Technologies, Inc. | 1564 |
21 |
| Microsoft Technology Licensing, LLC | 51439 |
18 |
| Other owners | 1259 |