- All sections
- H - Electricity
- H03H - Impedance networks, e.g. resonant circuits; resonators
- H03H 9/54 - Filters comprising resonators of piezoelectric or electrostrictive material
Patent holdings for IPC class H03H 9/54
Total number of patents in this class: 1375
10-year publication summary
|
56
|
82
|
98
|
102
|
170
|
155
|
117
|
178
|
129
|
33
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 22355 |
410 |
| Taiyo Yuden Co., Ltd. | 1809 |
99 |
| Samsung Electro-mechanics Co., Ltd. | 4798 |
76 |
| Qorvo US, Inc. | 2018 |
74 |
| Avago Technologies International Sales Pte. Limited | 9260 |
62 |
| Akoustis, Inc. | 164 |
48 |
| Skyworks Solutions, Inc. | 3450 |
47 |
| SnapTrack, Inc. | 650 |
33 |
| RF360 Europe GmbH | 153 |
31 |
| Samsung Electronics Co., Ltd. | 131630 |
28 |
| ROFS Microsystem (Tianjin) Co., Ltd | 211 |
26 |
| Rf360 Singapore Pte. Ltd. | 128 |
22 |
| Intel Corporation | 45621 |
20 |
| Skyworks Global Pte. Ltd | 68 |
18 |
| Qualcomm Incorporated | 76576 |
17 |
| Skyworks Filter Solutions Japan Co., Ltd. | 136 |
13 |
| QXONIX Inc. | 30 |
13 |
| Infineon Technologies AG | 8189 |
12 |
| Tianjin University | 695 |
12 |
| STMicroelectronics France | 826 |
12 |
| Other owners | 302 |