- All sections
- H - Electricity
- H03H - Impedance networks, e.g. resonant circuits; resonators
- H03H 11/04 - Frequency selective two-port networks
Patent holdings for IPC class H03H 11/04
Total number of patents in this class: 573
10-year publication summary
|
38
|
56
|
35
|
42
|
90
|
78
|
42
|
49
|
49
|
17
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 364 |
47 |
| Qualcomm Incorporated | 76576 |
27 |
| International Business Machines Corporation | 60644 |
25 |
| TDK Corporation | 6306 |
16 |
| Panasonic Corporation | 20786 |
12 |
| Mitsubishi Electric Corporation | 43934 |
12 |
| Texas Instruments Incorporated | 19376 |
10 |
| Mediatek Inc. | 4584 |
10 |
| Murata Manufacturing Co., Ltd. | 22355 |
9 |
| NEC Corporation | 32703 |
8 |
| Intel Corporation | 45621 |
8 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
8 |
| Analog Devices, Inc. | 3475 |
8 |
| Skyworks Solutions, Inc. | 3450 |
8 |
| Toshiba Corporation | 12017 |
7 |
| Ericsson | 20417 |
7 |
| Northrop Grumman Systems Corporation | 2940 |
7 |
| Silicon Laboratories Inc. | 1107 |
7 |
| Avago Technologies International Sales Pte. Limited | 9260 |
7 |
| Qorvo US, Inc. | 2018 |
6 |
| Other owners | 324 |