- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 12/20 - Arrangements for providing special services to substations for converting transmission speed from the inherent speed of a substation to the inherent speed of other substations
Patent holdings for IPC class H04L 12/20
Total number of patents in this class: 38
10-year publication summary
|
3
|
5
|
0
|
1
|
1
|
2
|
1
|
2
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vantrix Corporation | 57 |
6 |
| Ikanos Communications, Inc. | 92 |
3 |
| Fujitsu Limited | 19265 |
2 |
| Huawei Technologies Co., Ltd. | 100781 |
2 |
| Citrix Systems, Inc. | 3905 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Google Inc. | 4362 |
1 |
| Cisco Technology, Inc. | 18858 |
1 |
| Google Technology Holdings LLC | 2658 |
1 |
| Marvell Israel (M.I.S.L) Ltd. | 511 |
1 |
| Icera Canada Ulc | 27 |
1 |
| ZTE Corporation | 39218 |
1 |
| Motorola, Inc. | 2873 |
1 |
| ADC DSL Systems, Inc. | 18 |
1 |
| Ciena Luxembourg S.a.r.l. | 158 |
1 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
1 |
| Integrated Device Technology, Inc. | 736 |
1 |
| Jacoti BVBA | 13 |
1 |
| Kyoto University | 2732 |
1 |
| Metamako Technology LP | 3 |
1 |
| Other owners | 8 |