- All sections
- H - Electricity
- H04B - Transmission
- H04B 3/40 - Artificial lines; Networks simulating a line of certain length
Patent holdings for IPC class H04B 3/40
Total number of patents in this class: 15
10-year publication summary
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1
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0
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1
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3
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1
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0
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0
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3
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0
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Technologies, Inc. | 235 |
1 |
| International Business Machines Corporation | 60644 |
1 |
| Ericsson | 20417 |
1 |
| Intel Corporation | 45621 |
1 |
| The Trustees of Columbia University in the City of New York | 3440 |
1 |
| Socionext Inc. | 1575 |
1 |
| Ansys, Inc. | 366 |
1 |
| ARRIS Enterprises LLC | 3432 |
1 |
| IBM United Kingdom Limited | 4467 |
1 |
| Kuang-chi Innovative Technology Ltd. | 209 |
1 |
| Kuang-chi Institute of Advanced Technology | 186 |
1 |
| Lantiq Beteiligungs-GmbH & Co.KG | 19 |
1 |
| 4B DREAM Co., Ltd. | 4 |
1 |
| Sivent AS | 1 |
1 |
| Intel Germany GmbH & Co. KG | 122 |
1 |
| Other owners | 0 |