- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 9/10 - Arrangements for secret or secure communicationsNetwork security protocols with particular housing, physical features or manual controls
Patent holdings for IPC class H04L 9/10
Total number of patents in this class: 251
10-year publication summary
|
18
|
14
|
10
|
23
|
18
|
10
|
17
|
14
|
13
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 37064 |
27 |
| Mitsubishi Electric Corporation | 48097 |
21 |
| Panasonic Corporation | 18951 |
16 |
| Fujitsu Limited | 16867 |
12 |
| Nippon Telegraph and Telephone Corporation | 15928 |
7 |
| Visa International Service Association | 4975 |
7 |
| International Business Machines Corporation | 62672 |
6 |
| Sony Corporation | 30139 |
5 |
| Intel Corporation | 47100 |
4 |
| Hitachi, Ltd. | 16146 |
4 |
| Denso Corporation | 25607 |
4 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6172 |
4 |
| Etymology Pte. Ltd. | 4 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 34080 |
3 |
| National Institute of Advanced Industrial Science and Technology | 3793 |
3 |
| Cilag GmbH International | 6415 |
3 |
| National University Corporation Kobe University | 572 |
3 |
| Prosper Creative Co., Ltd. | 17 |
3 |
| The Ritsumeikan Trust | 179 |
3 |
| Sony Semiconductor Solutions Corporation | 11648 |
3 |
| Other owners | 109 |