- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 9/20 - Pseudorandom key sequence combined element-for-element with data sequence
Patent holdings for IPC class H04L 9/20
Total number of patents in this class: 70
10-year publication summary
|
6
|
2
|
1
|
7
|
4
|
1
|
0
|
1
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Texas Instruments Incorporated | 19647 |
3 |
| 7Tunnels, Inc. | 19 |
3 |
| International Business Machines Corporation | 62672 |
2 |
| Hewlett-Packard Development Company, L.P. | 25175 |
2 |
| Fujitsu Limited | 16867 |
2 |
| Texas Instruments Japan, Ltd. | 1656 |
2 |
| Hewlett Packard Enterprise Development LP | 11507 |
2 |
| Crypto Basic Corporation | 4 |
2 |
| GLOBALFOUNDRIES U.S. Inc. | 6383 |
2 |
| Sony Pictures Entertainment Inc. | 253 |
2 |
| TransferSoft, Inc. | 6 |
2 |
| Quantropi Inc. | 27 |
2 |
| Telefonaktiebolaget LM Ericsson (publ) | 28848 |
2 |
| Samsung Electronics Co., Ltd. | 158156 |
1 |
| Sony Corporation | 30139 |
1 |
| NEC Corporation | 37064 |
1 |
| Toshiba Corporation | 12577 |
1 |
| Oracle America, Inc. | 2499 |
1 |
| Mitsubishi Electric Corporation | 48097 |
1 |
| Alcatel-Lucent USA Inc. | 525 |
1 |
| Other owners | 35 |