- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 9/36 - Arrangements for secret or secure communicationsNetwork security protocols with means for detecting characters not meant for transmission
Patent holdings for IPC class H04L 9/36
Total number of patents in this class: 135
10-year publication summary
|
9
|
15
|
10
|
17
|
10
|
7
|
5
|
7
|
4
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 36003 |
14 |
| Mitsubishi Electric Corporation | 46449 |
8 |
| Panasonic Corporation | 20042 |
6 |
| Sony Corporation | 30929 |
5 |
| Nippon Telegraph and Telephone Corporation | 17381 |
5 |
| Huawei Technologies Co., Ltd. | 113853 |
4 |
| Panasonic Intellectual Property Corporation of America | 6841 |
4 |
| ServiceNow, Inc. | 1905 |
4 |
| Fujitsu Limited | 18388 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 31882 |
3 |
| The Nielsen Company (US), LLC | 2657 |
3 |
| Canon Kabushiki Kaisha | 7081 |
3 |
| Canon Inc. | 40398 |
2 |
| Intel Corporation | 47129 |
2 |
| Hitachi, Ltd. | 15572 |
2 |
| Omron Healthcare Co., Ltd. | 1893 |
2 |
| Cryptography Research, Inc. | 312 |
2 |
| JPMorgan Chase Bank, National Association | 8579 |
2 |
| Hewlett Packard Enterprise Development LP | 10744 |
2 |
| Sony Semiconductor Solutions Corporation | 10631 |
2 |
| Other owners | 57 |