- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 9/10 - Arrangements for secret or secure communications; Network 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: 256
10-year publication summary
|
11
|
20
|
18
|
14
|
9
|
23
|
18
|
10
|
13
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 32703 |
27 |
| Mitsubishi Electric Corporation | 43934 |
21 |
| Panasonic Corporation | 20786 |
17 |
| Fujitsu Limited | 19265 |
13 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
10 |
| Sony Corporation | 32931 |
6 |
| International Business Machines Corporation | 60644 |
6 |
| Nippon Telegraph and Telephone Corporation | 14195 |
6 |
| Denso Corporation | 23338 |
4 |
| Lexmark International, Inc. | 1793 |
4 |
| Visa International Service Association | 4194 |
4 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
4 |
| Sharp Kabushiki Kaisha | 18957 |
4 |
| Intel Corporation | 45621 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
| Dai Nippon Printing Co., Ltd. | 3891 |
3 |
| National Institute of Advanced Industrial Science and Technology | 3677 |
3 |
| Cilag GmbH International | 5813 |
3 |
| National University Corporation Kobe University | 460 |
3 |
| Prosper Creative Co., Ltd. | 17 |
3 |
| Other owners | 109 |