- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 1/327 - Initiating, continuing or ending a single-mode communicationHandshaking therefor
Patent holdings for IPC class H04N 1/327
Total number of patents in this class: 471
10-year publication summary
|
51
|
106
|
72
|
62
|
49
|
31
|
30
|
31
|
17
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 39442 |
138 |
| Brother Industries, Ltd. | 12960 |
69 |
| Ricoh Company, Ltd. | 13208 |
33 |
| FUJIFILM Business Innovation Corp. | 7569 |
32 |
| Konica Minolta, Inc. | 8668 |
21 |
| Seiko Epson Corporation | 19269 |
14 |
| Hewlett-Packard Development Company, L.P. | 25954 |
12 |
| Sharp Corporation | 10293 |
12 |
| Kyocera Document Solutions Inc. | 5516 |
12 |
| Toshiba TEC Corporation | 3780 |
10 |
| Samsung Electronics Co., Ltd. | 144143 |
7 |
| j2 Cloud Services, LLC | 78 |
7 |
| Quest Diagnostics Investments Incorporated | 409 |
7 |
| Google LLC | 41828 |
6 |
| Malikie Innovations Limited | 7194 |
5 |
| Xerox Corporation | 7026 |
4 |
| Toshiba Corporation | 12286 |
4 |
| Open Text Holdings, Inc. | 331 |
4 |
| Tailstream Technologies, LLC | 7 |
4 |
| Sony Corporation | 31148 |
3 |
| Other owners | 67 |