- All sections
- H - Electricity
- H03H - Impedance networks, e.g. resonant circuitsresonators
- H03H 17/02 - Frequency-selective networks
Patent holdings for IPC class H03H 17/02
Total number of patents in this class: 996
10-year publication summary
|
87
|
84
|
104
|
65
|
86
|
74
|
49
|
63
|
50
|
29
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 37168 |
33 |
| Dolby International AB | 1012 |
26 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5269 |
24 |
| Mitsubishi Electric Corporation | 48172 |
20 |
| Qualcomm Incorporated | 92859 |
14 |
| Dolby International AB | 915 |
14 |
| Huawei Technologies Co., Ltd. | 124115 |
13 |
| Intel Corporation | 47178 |
12 |
| Texas Instruments Incorporated | 19640 |
12 |
| Dolby Laboratories Licensing Corporation | 4351 |
11 |
| Telefonaktiebolaget LM Ericsson (publ) | 28872 |
11 |
| Robert Bosch GmbH | 44254 |
10 |
| Samsung Electronics Co., Ltd. | 158442 |
9 |
| Altera Corporation | 2476 |
9 |
| ROHDE & Schwarz GmbH & Co. KG | 1996 |
9 |
| Spotify AB | 1012 |
9 |
| The Boeing Company | 20186 |
8 |
| Ericsson | 22880 |
8 |
| Raytheon Company | 8436 |
8 |
| ZTE Corporation | 44255 |
8 |
| Other owners | 728 |